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<div><span style="font-family: 'Times New Roman'"><span style="font-size: 20pt"><strong><span style="text-decoration: underline"><span style="color: Red">Part 1</span></span></strong></span><span style="font-size: 14pt"><strong>  </strong></span><span style="font-size: 16pt"><strong>symmetric 'n' intervals in [0..N]</strong></span></span></div></span>]]></writer>
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        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="17" left="369" top="882" width="129" height="126" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">shift_3</e>
        <e type="operand">2</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="18" left="504" top="900" width="129" height="87" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">shift_2</e>
        <e type="operand">3</e>
        <e type="operand">0</e>
        <e type="operand">3</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="19" left="639" top="918" width="129" height="48" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">shift_1</e>
        <e type="operand">4</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="20" left="315" top="1062" width="210" height="208" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <xyplot width="200" height="200" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1" xmax="5" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="5" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="IEEE-80" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
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        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
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        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Green" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Fuchsia" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="DarkOrange" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
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        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
      </traces>
      <input>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="operand">Rod</e>
        <e type="operand">shift_4</e>
        <e type="operand">shift_3</e>
        <e type="operand">shift_2</e>
        <e type="operand">shift_1</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">sys</e>
      </input>
    </xyplot>
  </region>
  <region id="21" left="621" top="1062" width="106" height="204" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">rod</e>
      </input>
      <result action="numeric">
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">4</e>
        <e type="operand">4</e>
        <e type="operand">4</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">mat</e>
      </result>
    </math>
  </region>
  <region id="22" left="234" top="1305" width="129" height="165" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Shift_4</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">2</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">3</e>
        <e type="operand">4</e>
        <e type="operand">3</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="23" left="369" top="1323" width="129" height="126" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Shift_3</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="24" left="504" top="1341" width="129" height="87" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Shift_2</e>
        <e type="operand">0</e>
        <e type="operand">3</e>
        <e type="operand">0</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="25" left="639" top="1359" width="129" height="48" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Shift_1</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="26" left="315" top="1476" width="210" height="208" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <xyplot width="200" height="200" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1" xmax="5" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="5" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="IEEE-80 GridRods" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
      <legend isbordervisible="true" islegendvisible="false" legendbackcolor="White" legendbordercolor="Black" legendfont="Arial, 8pt" legendposition="NorthEast" textcolor="Black" />
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        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Green" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Fuchsia" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="DarkOrange" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="SaddleBrown" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Green" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
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        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="DarkOrange" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
      </traces>
      <input>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="operand">Rod</e>
        <e type="operand">shift_4</e>
        <e type="operand">shift_3</e>
        <e type="operand">shift_2</e>
        <e type="operand">shift_1</e>
        <e type="operand">Shift_4</e>
        <e type="operand">Shift_3</e>
        <e type="operand">Shift_2</e>
        <e type="operand">Shift_1</e>
        <e type="operand">11</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="13">sys</e>
      </input>
    </xyplot>
  </region>
  <region id="27" left="18" top="1692" width="417" height="70" color="#000000" bgColor="#ebebeb">
    <writer lang="eng"><![CDATA[<span style="font-family: 'Arial'; font-size: 10pt; font-weight: normal; font-style: normal; color: Black; background-color: Transparent; text-align: left; line-height: 115%">
<div><span style="font-family: 'Times New Roman'"><span style="font-size: 20pt"><strong><span style="text-decoration: underline"><span style="color: Red">Part 2</span></span></strong></span><span style="font-size: 14pt"><strong>  </strong></span><span style="font-size: 16pt"><strong>symmetric piecewise sub-intervals</strong></span></span></div>
<div><span style="font-family: 'Times New Roman'"><span style="font-size: 16pt"><strong>             asymmetric adapt construction</strong></span></span></div></span>]]></writer>
  </region>
  <region id="28" left="27" top="1773" width="357" height="80" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4">
      <description active="true" position="Top" lang="eng">
        <p>Subdivide a range in 'n' intervals ... demo</p>
      </description>
      <input>
        <e type="operand">n</e>
        <e type="operand">pivot</e>
        <e type="function" args="2">interval</e>
        <e type="operand">j</e>
        <e type="operand">1</e>
        <e type="operand">n</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">h</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">pivot</e>
        <e type="operator" args="1">-</e>
        <e type="operand">pivot</e>
        <e type="operand">j</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">n</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">h</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="29" left="405" top="1773" width="291" height="31" color="#000000" bgColor="#80ffff" fontSize="14">
    <text lang="eng">
      <p bold="true">Strip repeated in vector</p>
    </text>
  </region>
  <region id="30" left="405" top="1809" width="320" height="204" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">data</e>
        <e type="function" args="1">Strip</e>
        <e type="operand">v</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">:</e>
        <e type="operand">k</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">data</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">v</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">v</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">≠</e>
        <e type="operand">R</e>
        <e type="operand">k</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">v</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">line</e>
        <e type="operand" style="string">end of strip</e>
        <e type="operand" style="string">recover last u</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">if</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">R</e>
        <e type="operand">X</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="31" left="18" top="1881" width="244" height="134" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math decimalPlaces="9">
      <input>
        <e type="operand">X</e>
        <e type="operand">3</e>
        <e type="operand">7</e>
        <e type="operand">9</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">u1</e>
        <e type="operand">3</e>
        <e type="operand">X</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="function" args="2">interval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">u2</e>
        <e type="operand">4</e>
        <e type="operand">X</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="function" args="2">interval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">data</e>
        <e type="operand">u1</e>
        <e type="operand">X</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">u2</e>
        <e type="operand">X</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">New</e>
        <e type="operand">data</e>
        <e type="function" args="1">Strip</e>
        <e type="operator" args="2">:</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">sys</e>
      </input>
    </math>
  </region>
  <region id="32" left="279" top="1881" width="113" height="153" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">New</e>
      </input>
      <result action="numeric">
        <e type="operand">3</e>
        <e type="operand">4.333</e>
        <e type="operand">5.667</e>
        <e type="operand">7</e>
        <e type="operand">7.5</e>
        <e type="operand">8</e>
        <e type="operand">8.5</e>
        <e type="operand">9</e>
        <e type="operand">8</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="10">mat</e>
      </result>
    </math>
  </region>
  <region id="33" left="18" top="2061" width="127" height="153" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x_grid</e>
        <e type="operand">3</e>
        <e type="operand">4.333</e>
        <e type="operand">5.667</e>
        <e type="operand">7</e>
        <e type="operand">7.5</e>
        <e type="operand">8</e>
        <e type="operand">8.5</e>
        <e type="operand">9</e>
        <e type="operand">8</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="10">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="34" left="252" top="2061" width="127" height="153" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">y_grid</e>
        <e type="operand">3</e>
        <e type="operand">4.333</e>
        <e type="operand">5.667</e>
        <e type="operand">7</e>
        <e type="operand">7.5</e>
        <e type="operand">8</e>
        <e type="operand">8.5</e>
        <e type="operand">9</e>
        <e type="operand">8</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="10">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="35" left="441" top="2160" width="125" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">axes</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="36" left="135" top="2232" width="487" height="31" color="#ffff00" bgColor="#010101" fontSize="14">
    <text lang="eng">
      <p bold="true">Extend both directions for visual comfort</p>
    </text>
  </region>
  <region id="37" left="18" top="2277" width="328" height="178" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">ListCollect_X</e>
        <e type="operand">x_start</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_end</e>
        <e type="operand">10</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="operand">x_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">x_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">vx</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_end</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">vx</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="38" left="423" top="2277" width="328" height="178" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">ListCollect_Y</e>
        <e type="operand">y_start</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_end</e>
        <e type="operand">10</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">y</e>
        <e type="operand">y_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">y_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">vy</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_end</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">vy</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="39" left="360" top="2367" width="142" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">X</e>
        <e type="operand">ListCollect_X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="40" left="360" top="2394" width="142" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">Y</e>
        <e type="operand">ListCollect_Y</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="41" left="18" top="2466" width="447" height="377" color="#000000" bgColor="#ffffff" fontSize="10">
    <xyplot width="437" height="369" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1" xmax="10" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="10" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="User sub-spaces" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
      <legend isbordervisible="true" islegendvisible="false" legendbackcolor="White" legendbordercolor="Black" legendfont="Arial, 8pt" legendposition="NorthEast" textcolor="Black" />
      <traces>
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Black" linethickness="2" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
      </traces>
      <input>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="operand">axes</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
      </input>
    </xyplot>
  </region>
  <region id="42" left="9" top="3078" width="389" height="41" color="#000000" bgColor="#ebebeb">
    <writer lang="eng"><![CDATA[<span style="font-family: 'Arial'; font-size: 10pt; font-weight: normal; font-style: normal; color: Black; background-color: Transparent; text-align: left; line-height: 115%">
<div><span style="font-family: 'Times New Roman'"><span style="font-size: 20pt"><strong><span style="text-decoration: underline"><span style="color: Red">Part 3</span></span></strong></span><span style="font-size: 14pt"><strong>  </strong></span><span style="font-size: 16pt"><strong>symmetric sub-divided polygon</strong></span></span></div></span>]]></writer>
  </region>
  <region id="43" left="9" top="3141" width="628" height="199" border="true" color="#000000" bgColor="#ffe1e1" fontSize="10">
    <math optimize="2" decimalPlaces="4">
      <input>
        <e type="operand">data</e>
        <e type="operand">sub</e>
        <e type="function" args="2">subspace</e>
        <e type="operand">j</e>
        <e type="operand">1</e>
        <e type="operand">data</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Vsub</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">sub</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">vx</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">data</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">i</e>
        <e type="operand">sub</e>
        <e type="operator" args="2">/</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="operand">j</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">data</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">vx</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">v</e>
        <e type="operand">Vsub</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">j</e>
        <e type="operand">2</e>
        <e type="operand">Vsub</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">v</e>
        <e type="operand">v</e>
        <e type="operand">Vsub</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">v</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="44" left="9" top="3339" width="282" height="69" border="true" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math decimalPlaces="4">
      <description active="true" position="Right" lang="eng">
        <p>user original polygon</p>
      </description>
      <input>
        <e type="operand">Xo</e>
        <e type="operand">0.5</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">3</e>
        <e type="operand">4</e>
        <e type="operand">5</e>
        <e type="operand">6</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="10">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operator" args="2">:</e>
        <e type="operand">Yo</e>
        <e type="operand">6</e>
        <e type="operand">7.5</e>
        <e type="operand">7.5</e>
        <e type="operand">1.25</e>
        <e type="operand">1.25</e>
        <e type="operand">6</e>
        <e type="operand">4</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="10">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </math>
  </region>
  <region id="45" left="495" top="3366" width="178" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XoYo</e>
        <e type="operand">Xo</e>
        <e type="operand">Yo</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="46" left="9" top="3411" width="69" height="28" color="#000000" bgColor="#80ffff" fontSize="12">
    <math decimalPlaces="4">
      <input>
        <e type="operand">sub</e>
        <e type="operand">4</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="47" left="90" top="3411" width="43" height="32" color="#000000" bgColor="#ffffff">
    <picture>
      <raw format="png" encoding="base64">iVBORw0KGgoAAAANSUhEUgAAACMAAAAYCAYAAABwZEQ3AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADFSURBVEhLzdNbCoMwEIXhUFxJcWXFZUlXJq5EmlLKCYrnkGTSdHz4X4wzfHgJw2uL3boN/LqoC2Z6TF+IF2ZZlyPCAyMRiMyozJgsApFZVTWmGIHIDlUxphqByC5VFmNGILJTJTHNCEMnjAcCJYwnAoUrIFCYn3Mc7yM9/HfpNV0BdfqAPVHy1/ZASQxqRpGdqiwGmVFkl6oYg6pRZIeqGoOKUWRWZcagLIrMqJoxSKLIvaqfYfYdUORc1QXzKT0pcsbb4hvMKQVKjmB8dgAAAABJRU5ErkJggg==</raw>
    </picture>
  </region>
  <region id="48" left="153" top="3411" width="199" height="31" color="#000000" bgColor="#80ffff" fontSize="14">
    <text lang="eng">
      <p bold="true">select subspaces</p>
    </text>
  </region>
  <region id="49" left="9" top="3447" width="419" height="62" color="#000000" bgColor="#ffe1e1" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">New</e>
        <e type="operand">Xo</e>
        <e type="operand">sub</e>
        <e type="function" args="2">subspace</e>
        <e type="operand">Yo</e>
        <e type="operand">sub</e>
        <e type="function" args="2">subspace</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
        <e type="operand">New</e>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Yo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">New</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
      </input>
    </math>
  </region>
  <region id="50" left="441" top="3447" width="77" height="24" color="#000000" bgColor="#80ffff" fontSize="10">
    <math decimalPlaces="4">
      <description active="true" position="Right" lang="eng">
        <p>isolate</p>
      </description>
      <input>
        <e type="operand">New</e>
        <e type="operand">New</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="51" left="522" top="3474" width="175" height="49" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x_grid</e>
        <e type="operand">New</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_grid</e>
        <e type="operand">New</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </math>
  </region>
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    <picture>
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    </picture>
  </region>
  <region id="53" left="9" top="3528" width="350" height="178" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">ListCollect_X</e>
        <e type="operand">x_start</e>
        <e type="operand">1.25</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_end</e>
        <e type="operand">7.5</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="operand">x_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">x_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">PX</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_end</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">PX</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="54" left="414" top="3528" width="334" height="178" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">ListCollect_Y</e>
        <e type="operand">y_start</e>
        <e type="operand">0.5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_end</e>
        <e type="operand">7</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">y</e>
        <e type="operand">y_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">y_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">PY</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_end</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">PY</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="55" left="342" top="3609" width="142" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">X</e>
        <e type="operand">ListCollect_X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="56" left="342" top="3636" width="142" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">Y</e>
        <e type="operand">ListCollect_Y</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="57" left="315" top="3726" width="227" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XY</e>
        <e type="operand">x_grid</e>
        <e type="operand">y_grid</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="58" top="3762" color="#000000" bgColor="#ff8080">
    <area single="true" collapsed="true" />
  </region>
  <region id="59" left="9" top="3807" width="761" height="510" color="#000000" bgColor="#e1ff80" fontSize="10">
    <xyplot width="751" height="502" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1" xmax="7.5" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="0" ymax="8" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="Polygon sub-divide" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
      <legend isbordervisible="true" islegendvisible="false" legendbackcolor="White" legendbordercolor="Black" legendfont="Arial, 8pt" legendposition="NorthEast" textcolor="Black" />
      <traces>
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Green" linethickness="1" linepattern="Solid" symbolsize="10" symboltype="Circle" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Black" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="DarkOrange" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
      </traces>
      <input>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="operand">XoYo</e>
        <e type="operand">XoYo</e>
        <e type="operand">XY</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">sys</e>
      </input>
    </xyplot>
  </region>
  <region id="60" left="99" top="4428" width="603" height="31" color="#ffff00" bgColor="#010101" fontSize="14">
    <text lang="eng">
      <p bold="true">OBSERVE: the 10 Y-datum [1.25, 7.5] are unique plot</p>
    </text>
  </region>
  <region id="61" top="4482" color="#000000" bgColor="#ff8080">
    <area single="true" collapsed="true" />
  </region>
  <region id="62" left="27" top="4509" width="481" height="41" color="#000000" bgColor="#ebebeb">
    <writer lang="eng"><![CDATA[<span style="font-family: 'Arial'; font-size: 10pt; font-weight: normal; font-style: normal; color: Black; background-color: Transparent; text-align: left; line-height: 115%">
<div><span style="font-family: 'Times New Roman'"><span style="font-size: 20pt"><strong><span style="text-decoration: underline"><span style="color: Red">Part 4</span></span></strong></span><span style="font-size: 14pt"><strong>  </strong></span><span style="font-size: 16pt"><strong>populate sub-grid symmetric square grid</strong></span></span></div></span>]]></writer>
  </region>
  <region id="63" left="27" top="4554" width="523" height="76" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math optimize="2" fractionType="auto" decimalPlaces="3">
      <input>
        <e type="operand">data</e>
        <e type="operand">char</e>
        <e type="operand">size</e>
        <e type="operand">clr</e>
        <e type="function" args="4">plot</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operand">data</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">r3</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">char</e>
        <e type="operator" args="2">:</e>
        <e type="operand">r4</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">size</e>
        <e type="operator" args="2">:</e>
        <e type="operand">r5</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">clr</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">data</e>
        <e type="operand">r3</e>
        <e type="operand">r4</e>
        <e type="operand">r5</e>
        <e type="function" preserve="true" args="4">augment</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="64" left="27" top="4635" width="628" height="199" border="true" color="#000000" bgColor="#ffe1e1" fontSize="10">
    <math optimize="2" decimalPlaces="4">
      <input>
        <e type="operand">data</e>
        <e type="operand">sub</e>
        <e type="function" args="2">subspace</e>
        <e type="operand">j</e>
        <e type="operand">1</e>
        <e type="operand">data</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Vsub</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">sub</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">vx</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">data</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">i</e>
        <e type="operand">sub</e>
        <e type="operator" args="2">/</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="operand">j</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">data</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">vx</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">v</e>
        <e type="operand">Vsub</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">j</e>
        <e type="operand">2</e>
        <e type="operand">Vsub</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">v</e>
        <e type="operand">v</e>
        <e type="operand">Vsub</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">v</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="65" left="27" top="4842" width="320" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="9">
      <input>
        <e type="operand">Xo</e>
        <e type="operand">0.5</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1.25</e>
        <e type="operand">2.5</e>
        <e type="operand">3.75</e>
        <e type="operand">5</e>
        <e type="operand">6</e>
        <e type="operand">6.75</e>
        <e type="operand">7.5</e>
        <e type="operand">1</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="10">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="66" left="27" top="4887" width="69" height="28" color="#000000" bgColor="#80ffff" fontSize="12">
    <math decimalPlaces="4">
      <description active="true" position="Right" lang="eng">
        <p>subspaces  ... sub ≥ 2</p>
      </description>
      <input>
        <e type="operand">sub</e>
        <e type="operand">3</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="67" left="27" top="4932" width="200" height="57" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="9">
      <input>
        <e type="operand">Sub</e>
        <e type="operand">Xo</e>
        <e type="operand">sub</e>
        <e type="function" args="2">subspace</e>
        <e type="operator" args="2">:</e>
        <e type="operand">Xsub</e>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Sub</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </math>
  </region>
  <region id="68" left="27" top="4995" width="265" height="89" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math decimalPlaces="9">
      <input>
        <e type="operand">uv</e>
        <e type="operand">Xo</e>
        <e type="operand">Xo</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
        <e type="operand">pts</e>
        <e type="operand">uv</e>
        <e type="operand" style="string">o</e>
        <e type="operand">5</e>
        <e type="operand" style="string">black</e>
        <e type="function" args="4">plot</e>
        <e type="operator" args="2">:</e>
        <e type="operand">xy</e>
        <e type="operand">Xsub</e>
        <e type="operand">Xsub</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
        <e type="operand">mesh</e>
        <e type="operand">xy</e>
        <e type="operand" style="string">.</e>
        <e type="operand">9</e>
        <e type="operand" style="string">red</e>
        <e type="function" args="4">plot</e>
        <e type="operator" args="2">:</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">sys</e>
      </input>
    </math>
  </region>
  <region id="69" left="324" top="4995" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="1.3045131" scale_y="1.9487171" scale_z="1.578460851" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-54" transpose_y="-45" transpose_z="0">
      <input>
        <e type="operand">pts</e>
        <e type="operand">mesh</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </plot>
  </region>
  <region id="70" top="5211" color="#000000" bgColor="#ff8080">
    <area single="true" collapsed="true" />
  </region>
  <region id="71" left="18" top="5247" width="286" height="204" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">sub_X</e>
        <e type="operand">x_grid</e>
        <e type="operand">Xsub</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_start</e>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_end</e>
        <e type="operand">Xo</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="operand">x_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">x_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Xu</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_end</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">Xu</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
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    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">sub_Y</e>
        <e type="operand">y_grid</e>
        <e type="operand">Xsub</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_start</e>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_end</e>
        <e type="operand">Xo</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">y</e>
        <e type="operand">y_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">y_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Yu</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_end</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">Yu</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="73" left="315" top="5328" width="84" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">Xu</e>
        <e type="operand">sub_X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="74" left="315" top="5355" width="84" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">Yu</e>
        <e type="operand">sub_Y</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="75" left="18" top="5454" width="261" height="204" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">_X</e>
        <e type="operand">x_grid</e>
        <e type="operand">Xo</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_start</e>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_end</e>
        <e type="operand">Xo</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="operand">x_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">x_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Xω</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_end</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">Xω</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="76" left="423" top="5454" width="261" height="204" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
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        <e type="operand">y_grid</e>
        <e type="operand">Xo</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_start</e>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_end</e>
        <e type="operand">Xo</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">y</e>
        <e type="operand">y_grid</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">y_grid</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Yω</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_end</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">Yω</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="77" left="315" top="5535" width="68" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">_Xo</e>
        <e type="operand">_X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="78" left="315" top="5562" width="68" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">_Yo</e>
        <e type="operand">_Y</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="79" left="162" top="5661" width="451" height="404" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <xyplot width="441" height="396" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="false" isygrid="false" />
      <xaxes xmin="-1" xmax="8" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="8" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="Symmetric sub-gid X_Y" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
      <legend isbordervisible="true" islegendvisible="false" legendbackcolor="White" legendbordercolor="Black" legendfont="Arial, 8pt" legendposition="NorthEast" textcolor="Black" />
      <traces>
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Black" linethickness="2" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Black" linethickness="2" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
      </traces>
      <input>
        <e type="operand">Xu</e>
        <e type="operand">Yu</e>
        <e type="operand">_Xo</e>
        <e type="operand">_Yo</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">sys</e>
      </input>
    </xyplot>
  </region>
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  </region>
  <region id="81" left="9" top="6273" width="361" height="70" color="#000000" bgColor="#ebebeb">
    <writer lang="eng"><![CDATA[<span style="font-family: 'Arial'; font-size: 10pt; font-weight: normal; font-style: normal; color: Black; background-color: Transparent; text-align: left; line-height: 115%">
<div><span style="font-family: 'Times New Roman'"><span style="font-size: 20pt"><strong><span style="text-decoration: underline"><span style="color: Red">Part 5</span></span></strong></span><span style="font-size: 14pt"><strong>  </strong></span><span style="font-size: 16pt"><strong>parametric rectangular grid</strong></span></span></div>
<div style="text-align: center"><span style="font-family: 'Times New Roman'"><span style="font-size: 16pt"><strong>... uni-color grid ...</strong></span></span></div></span>]]></writer>
  </region>
  <region id="82" left="414" top="6273" width="283" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">data</e>
        <e type="function" args="1">last</e>
        <e type="operand">data</e>
        <e type="operand">data</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">row</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="83" left="414" top="6309" width="201" height="69" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">0</e>
        <e type="operand">0.785</e>
        <e type="operand">1.5</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y</e>
        <e type="operand">0</e>
        <e type="operand">0.75</e>
        <e type="operand">1.5</e>
        <e type="operand">3</e>
        <e type="operand">3.5</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </math>
  </region>
  <region id="84" left="9" top="6390" width="367" height="186" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">ListCollect_X</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x_end</e>
        <e type="operand">y</e>
        <e type="function" args="1">last</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="operand">x</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Xp</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_end</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">Xp</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="85" left="396" top="6390" width="367" height="186" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4" exponentialThreshold="3">
      <input>
        <e type="operand">ListCollect_Y</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">y_end</e>
        <e type="operand">x</e>
        <e type="function" args="1">last</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">y</e>
        <e type="operand">y</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Yp</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
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        <e type="operand">0</e>
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        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
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        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">0</e>
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        <e type="operand">0</e>
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        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">sys</e>
        <e type="operator" args="2">:</e>
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    </math>
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    <math>
      <input>
        <e type="operand">#</e>
        <e type="operand">#</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
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        <e type="operand">2</e>
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    <text lang="eng">
      <p bold="true">1. Collect individual diagonals2. Personalize symbols/colors3. Add function discrete mode4. Add axes system [0,0]</p>
    </text>
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        <p />
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        <e type="operator" args="2">:</e>
        <e type="operand">dx</e>
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        <e type="operator" args="2">:</e>
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        <e type="operand">L</e>
        <e type="operand">dx</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">dx</e>
        <e type="operand">i</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">U</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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    <math decimalPlaces="4">
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        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">H</e>
        <e type="operand">5</e>
        <e type="operator" args="2">:</e>
        <e type="operand">N</e>
        <e type="operand">20</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
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        <e type="operand">L</e>
        <e type="operand">H</e>
        <e type="operand">N</e>
        <e type="function" args="3">xd</e>
        <e type="operator" args="2">:</e>
        <e type="operand">F</e>
        <e type="operand">x</e>
        <e type="operand">x</e>
        <e type="operator" args="1">-</e>
        <e type="operand">4</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="1">vectorize</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">axes</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">line</e>
      </input>
    </math>
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    <math>
      <input>
        <e type="operand">plot</e>
        <e type="operand">F</e>
        <e type="operand">data</e>
        <e type="operand">axes</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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    <xyplot width="200" height="200" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1" xmax="5" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="5" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="IEEE-80 GridRods" titlefont="Times New Roman, 12pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
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        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="Fuchsia" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="DarkOrange" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="false" plotmethod="Lines" linecolor="SaddleBrown" linethickness="1" linepattern="Solid" symbolsize="4" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Orange" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
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      <input>
        <e type="operand">plot</e>
      </input>
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    <writer lang="eng"><![CDATA[<span style="font-family: 'Arial'; font-size: 10pt; font-weight: normal; font-style: normal; color: Black; background-color: Transparent; text-align: left; line-height: 115%">
<div><span style="font-family: 'Times New Roman'"><span style="font-size: 20pt"><strong><span style="text-decoration: underline"><span style="color: Red">Part 6</span></span></strong></span><span style="font-size: 14pt"><strong>  </strong></span><span style="font-size: 16pt"><strong>parametric function grid</strong></span></span></div>
<div style="text-align: center"><span style="font-family: 'Times New Roman'"><span style="font-size: 16pt"><strong>... uni-color grid ...</strong></span></span></div></span>]]></writer>
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        <e type="function" preserve="true" args="2">row</e>
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    <math>
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        <e type="operand">10</e>
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  <region id="115" left="558" top="8136" width="120" height="35" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">u</e>
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        <e type="function" preserve="true" args="1">vectorize</e>
        <e type="operator" args="2">:</e>
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        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
      </input>
    </math>
  </region>
  <region id="116" left="9" top="8181" width="367" height="186" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
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        <e type="operator" args="2">:</e>
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        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
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        <e type="function" preserve="true" args="4">mat</e>
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        <e type="operand">x</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
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        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x_start</e>
        <e type="operand">x</e>
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        <e type="operand">2</e>
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        <e type="operand">ct</e>
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        <e type="operator" args="2">:</e>
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        <e type="operand">1</e>
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        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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  <region id="117" left="396" top="8181" width="367" height="186" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
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        <e type="operand">ListCollect_Y</e>
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        <e type="operand">y</e>
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        <e type="operator" args="2">:</e>
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        <e type="operand">y</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
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        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Yω</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_start</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y_end</e>
        <e type="operand">y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
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        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">Yω</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="118" left="378" top="8262" width="142" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">X</e>
        <e type="operand">ListCollect_X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="119" left="378" top="8289" width="142" height="24" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <input>
        <e type="operand">Y</e>
        <e type="operand">ListCollect_Y</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="120" left="252" top="8388" width="204" height="57" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">ω</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">200</e>
        <e type="function" args="3">xd</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sqrt</e>
        <e type="operand">ω</e>
        <e type="operand">2</e>
        <e type="operand">ω</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="function" preserve="true" args="1">vectorize</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </math>
  </region>
  <region id="121" left="252" top="8451" width="427" height="375" color="#000000" bgColor="#ffffff" fontSize="10">
    <xyplot width="417" height="367" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
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      <xaxes xmin="-1" xmax="5" xtick="1" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="5" ytick="1" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="parametric grid [x, y]" titlefont="Times New Roman, 12pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="x" ylabel="y" y2label="y2" />
      <legend isbordervisible="true" islegendvisible="false" legendbackcolor="White" legendbordercolor="Black" legendfont="Arial, 8pt" legendposition="NorthEast" textcolor="Black" />
      <traces>
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Blue" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" linecolor="Black" linethickness="2" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
      </traces>
      <input>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="operand">sqrt</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
      </input>
    </xyplot>
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</regions>