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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
      <footer alignment="Center" color="#a9a9a9">&amp;[PAGENUM] / &amp;[COUNT]</footer>
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  <region id="0" left="27" top="18" width="210" height="31" color="#000000" bgColor="#80ffff" fontSize="14">
    <text lang="eng">
      <p bold="true">Pressure Gradient</p>
    </text>
  </region>
  <region id="1" left="27" top="63" width="90" height="61" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>Point A</p>
      </description>
      <input>
        <e type="operand">P.a</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">v.a</e>
        <e type="operand">0.84</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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    <math>
      <description active="true" position="Right" lang="eng">
        <p>Point B</p>
      </description>
      <input>
        <e type="operand">P.b</e>
        <e type="operand">16.97</e>
        <e type="operator" args="2">:</e>
        <e type="operand">v.b</e>
        <e type="operand">0.1063</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>
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  <region id="3" left="477" top="63" width="106" height="49" border="true" color="#ff0000" bgColor="#ffffff" fontSize="12">
    <math decimalPlaces="6">
      <description active="true" position="Right" lang="eng">
        <p>line style division</p>
      </description>
      <input>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="function" args="2">÷</e>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="4" top="144" color="#ff0000" bgColor="#ffffff">
    <area collapsed="true">
      <title lang="eng">
        <p>     Solve k2     </p>
      </title>
    </area>
    <region id="5" left="9" top="180" width="209" height="24" border="true" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="fre">
        <p>Relation between p and v</p>
      </text>
    </region>
    <region id="6" left="414" top="180" width="97" height="111" color="#000000" bgColor="#ffffff" fontSize="10">
      <math evaluate="false">
        <input>
          <e type="operand">k.1</e>
          <e type="operand">P.a</e>
          <e type="operand">P.b</e>
          <e type="operator" args="2">/</e>
          <e type="function" preserve="true" args="1">ln</e>
          <e type="operand">v.b</e>
          <e type="operand">v.a</e>
          <e type="operator" args="2">/</e>
          <e type="function" preserve="true" args="1">ln</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="7" left="36" top="207" width="98" height="49" color="#000000" bgColor="#ffffff" fontSize="10">
      <math evaluate="false">
        <input>
          <e type="operand">p</e>
          <e type="operand">v</e>
          <e type="operand">k.1</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
        </input>
        <result action="numeric">
          <e type="operand">k.2</e>
        </result>
      </math>
    </region>
    <region id="8" left="198" top="207" width="146" height="49" color="#000000" bgColor="#ffffff" fontSize="10">
      <math evaluate="false">
        <input>
          <e type="operand">P.a</e>
          <e type="operand">v.a</e>
          <e type="operand">k.1</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
        </input>
        <contract>
          <e type="operand">v.b</e>
          <e type="operand">k.1</e>
          <e type="operator" args="2">^</e>
        </contract>
        <result action="numeric">
          <e type="operand">P.b</e>
        </result>
      </math>
    </region>
    <region id="9" left="153" top="216" width="28" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="fre">
        <p>=&gt;</p>
      </text>
    </region>
    <region id="10" left="351" top="216" width="28" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="fre">
        <p>=&gt;</p>
      </text>
    </region>
    <region id="11" left="531" top="216" width="28" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="fre">
        <p>=&gt;</p>
      </text>
    </region>
    <region id="12" top="297" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="13" left="270" top="324" width="251" height="61" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">k1</e>
        <e type="operand">P.a</e>
        <e type="operand">P.b</e>
        <e type="operator" args="2">/</e>
        <e type="function" preserve="true" args="1">ln</e>
        <e type="operand">v.b</e>
        <e type="operand">v.a</e>
        <e type="operator" args="2">/</e>
        <e type="function" preserve="true" args="1">ln</e>
        <e type="function" args="2">÷</e>
        <e type="operator" args="2">:</e>
      </input>
      <result action="numeric">
        <e type="operand">1.3697</e>
      </result>
    </math>
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    <math>
      <input>
        <e type="operand">k2</e>
        <e type="operand">P.a</e>
        <e type="operand">v.a</e>
        <e type="operand">k1</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
      <result action="numeric">
        <e type="operand">0.7876</e>
      </result>
    </math>
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  <region id="15" left="18" top="405" width="87" height="50" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>Pressure function</p>
      </description>
      <input>
        <e type="operand">v</e>
        <e type="function" args="1">p</e>
        <e type="operand">k2</e>
        <e type="operand">v</e>
        <e type="operand">k1</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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  <region id="16" left="270" top="405" width="231" height="53" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operand">1</e>
        <e type="operand">v.b</e>
        <e type="operand">x</e>
        <e type="operator" args="2">≤</e>
        <e type="bracket">(</e>
        <e type="operand">x</e>
        <e type="operand">v.a</e>
        <e type="operator" args="2">≤</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">&amp;</e>
        <e type="operand" style="string" />
        <e type="function" preserve="true" args="3">cases</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="17" left="18" top="477" width="240" height="197" border="true" color="#000000" bgColor="#ffe1e1" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>collect for user external spec's</p>
      </description>
      <input>
        <e type="operand">plot</e>
        <e type="operand">x</e>
        <e type="function" args="1">p</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operator" args="2">*</e>
        <e type="operand">v.b</e>
        <e type="operand">20</e>
        <e type="operand">v.b</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">v.a</e>
        <e type="operand">2</e>
        <e type="operand">v.a</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">v.b</e>
        <e type="operand">P.b</e>
        <e type="operand" style="string">o</e>
        <e type="operand">7</e>
        <e type="operand" style="string">black</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">v.a</e>
        <e type="operand">P.a</e>
        <e type="operand" style="string">o</e>
        <e type="operand">7</e>
        <e type="operand" style="string">black</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">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>
      </input>
    </math>
  </region>
  <region id="18" left="297" top="477" width="472" height="325" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="1.74241743212611" scale_y="48.7944560206063" scale_z="85.0203107614153" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-175" transpose_y="-135" transpose_z="0">
      <description active="true" position="Top" lang="eng">
        <p>Pressure P(v) descending gradient vs specific volume</p>
      </description>
      <input>
        <e type="operand">plot</e>
      </input>
    </plot>
  </region>
  <region id="19" left="18" top="720" width="135" height="65" color="#ffff00" bgColor="#010101" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>sanity</p>
      </description>
      <input>
        <e type="operand">v.b</e>
        <e type="function" args="1">p</e>
        <e type="operand">v.a</e>
        <e type="function" args="1">p</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
      </input>
      <result action="numeric">
        <e type="operand">16.97</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
      </result>
    </math>
  </region>
  <region id="20" left="18" top="891" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <plot type="2d" render="lines" scale_x="0.0566021741912173" scale_y="23.2251544198878" scale_z="1.31459423609242" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-73" transpose_y="48" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">p</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operator" args="2">*</e>
        <e type="operand">v.a</e>
        <e type="operand">25</e>
        <e type="operand">v.a</e>
        <e type="operand">50</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">v.b</e>
        <e type="operand">25</e>
        <e type="operand">v.b</e>
        <e type="operand">250</e>
        <e type="operator" args="1">-</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">sys</e>
      </input>
    </plot>
  </region>
  <region id="21" left="297" top="891" width="264" height="124" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math>
      <input>
        <e type="operand">L</e>
        <e type="operand">H</e>
        <e type="operand">N</e>
        <e type="function" args="3">xd</e>
        <e type="operand">U</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
        <e type="operand">dx</e>
        <e type="operand">H</e>
        <e type="operand">L</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="operand">i</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">U</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <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="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">U</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>
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  <region id="22" left="297" top="1017" width="306" height="138" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math>
      <input>
        <e type="operand">U</e>
        <e type="operand">v.b</e>
        <e type="operand">v.a</e>
        <e type="operand">199</e>
        <e type="function" args="3">xd</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x</e>
        <e type="function" args="1">fnct</e>
        <e type="function" args="1">Q</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">U</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">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">U</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">vy</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">U</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fnct</e>
        <e type="function" preserve="true" args="1">eval</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">vy</e>
        <e type="function" preserve="true" args="2">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>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
      </input>
    </math>
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  <region id="23" left="18" top="1089" width="83" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">f</e>
        <e type="operand">x</e>
        <e type="function" args="1">p</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="24" left="18" top="1125" width="91" height="28" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>collect for X_Y plot</p>
      </description>
      <input>
        <e type="operand">XY</e>
        <e type="operand">x</e>
        <e type="function" args="1">f</e>
        <e type="function" args="1">Q</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="25" left="18" top="1197" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="points" scale_x="0.623525394891205" scale_y="17.096413434114" scale_z="10.6600479377291" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-67" transpose_y="-50" transpose_z="0">
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        <e type="operand">x</e>
        <e type="function" args="1">f</e>
        <e type="function" args="1">Q</e>
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  </region>
  <region id="26" left="297" top="1197" width="306" height="208" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <xyplot width="296" height="200" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="0" xmax="1" xtick="0.25" numberformat="General" decimalplaces="3" />
      <yaxes ymin="0" ymax="20" ytick="5" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="Pressure gradient p(v)" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 10pt" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="v [specific volume]" ylabel="p(v) [bar]" 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="Red" linethickness="1" linepattern="Solid" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
      </traces>
      <input>
        <e type="operand">XY</e>
        <e type="operand">v.b</e>
        <e type="operand">20</e>
        <e type="operand">v.b</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">v.a</e>
        <e type="operand">5</e>
        <e type="operand">v.a</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="function" preserve="true" args="5">sys</e>
      </input>
    </xyplot>
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  <region id="27" top="1422" color="#000000" bgColor="#ffe1e1">
    <area single="true" collapsed="true" />
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</regions>