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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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    <math decimalPlaces="9">
      <description active="true" position="Right" lang="eng">
        <p>radius &amp; number circles'n' populate circles</p>
      </description>
      <input>
        <e type="operand">setcircles</e>
        <e type="operand">0.375</e>
        <e type="operand">0.75</e>
        <e type="operand">1</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">n</e>
        <e type="operand">90</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="1" top="90" color="#000000" bgColor="#ffffff">
    <area collapsed="true">
      <title lang="eng">
        <p>   Circles Construction     </p>
      </title>
    </area>
    <region id="2" left="207" top="108" width="168" height="61" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="6">
        <input>
          <e type="operand">tt</e>
          <e type="operand">rkf</e>
          <e type="function" args="2">D</e>
          <e type="operand">A</e>
          <e type="operand">rkf</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">rkf</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">el</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>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="3" left="81" top="117" width="78" height="45" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="6">
        <input>
          <e type="operand">A</e>
          <e type="operand">0</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operator" args="1">-</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="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="4" left="333" top="180" width="149" height="64" color="#000000" bgColor="#ffffa4" fontSize="10">
      <math decimalPlaces="6">
        <input>
          <e type="operand">span</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">π</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
          <e type="operand">α</e>
          <e type="operand">π</e>
          <e type="operator" args="2">:</e>
          <e type="bracket">(</e>
          <e type="operand" style="string">overlap</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="5" left="72" top="189" width="213" height="61" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="6">
        <input>
          <e type="operand">tt</e>
          <e type="operand">rkf</e>
          <e type="function" args="2">D</e>
        </input>
        <result action="none">
          <e type="operand">0</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="operator" args="1">-</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">rkf</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">rkf</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">el</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>
        </result>
      </math>
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    <region id="6" left="63" top="279" width="406" height="152" border="true" color="#000000" bgColor="#ffffa4" fontSize="10">
      <math optimize="2" decimalPlaces="6">
        <input>
          <e type="operand">Circles</e>
          <e type="operand">U</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">0</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">p</e>
          <e type="operand">setcircles</e>
          <e type="operand">W</e>
          <e type="operand">p</e>
          <e type="operand">span</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>
          <e type="operand">Urk</e>
          <e type="operand">W</e>
          <e type="operand">0</e>
          <e type="operand">α</e>
          <e type="operand">n</e>
          <e type="operand">tt</e>
          <e type="operand">rkf</e>
          <e type="function" args="2">D</e>
          <e type="function" preserve="true" args="5">rkfixed</e>
          <e type="operator" args="2">:</e>
          <e type="operand">U</e>
          <e type="operand">U</e>
          <e type="operand">Urk</e>
          <e type="function" preserve="true" args="2">stack</e>
          <e type="operator" args="2">:</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">line</e>
          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">B</e>
          <e type="operand">U</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="operand">U</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="operator" args="2">:</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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    <region id="7" left="477" top="279" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10">
      <plot type="2d" render="points" scale_x="6.66022494983235" scale_y="6.66022494983235" scale_z="6.66022494983235" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="1" transpose_y="0" transpose_z="0">
        <input>
          <e type="operand">Circles</e>
        </input>
      </plot>
    </region>
    <region id="8" top="468" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="9" left="54" top="495" width="86" height="63" color="#000000" bgColor="#e1ff80" fontSize="10">
    <math decimalPlaces="6">
      <description active="true" position="Right" lang="eng">
        <p>--------radius radial--------</p>
      </description>
      <input>
        <e type="operand">Y0</e>
        <e type="operand">0</e>
        <e type="operand">1.25</e>
        <e type="operand">0</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="10" left="252" top="495" width="77" height="63" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="6">
      <input>
        <e type="operand">t0</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
        <e type="operand">t1</e>
        <e type="operand">2</e>
        <e type="operand">π</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
        <e type="operand">N</e>
        <e type="operand">12</e>
        <e type="operator" args="2">:</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
      </input>
    </math>
  </region>
  <region id="11" left="351" top="495" width="274" height="56" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <text lang="eng">
      <p>Radial plot is essentially builtfrom Rkadapt suject to user parameters [radius,t0,t1,N]</p>
    </text>
  </region>
  <region id="12" top="585" color="#000000" bgColor="#ffffff">
    <area collapsed="true">
      <title lang="eng">
        <p>     Radial Construction     </p>
      </title>
    </area>
    <region id="13" left="45" top="621" width="269" height="94" color="#000000" bgColor="#ffe1e1" fontSize="10">
      <math decimalPlaces="6">
        <description active="true" position="Top" lang="eng">
          <p>Rename: Y =&gt; .. else variable name</p>
        </description>
        <input>
          <e type="operand">t</e>
          <e type="operand">u</e>
          <e type="function" args="2">RK</e>
          <e type="operand">u</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">u</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">1</e>
          <e type="operand">u</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">u</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operator" args="2">*</e>
          <e type="bracket">(</e>
          <e type="operand">u</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operator" args="2">-</e>
          <e type="operand">0</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="14" left="333" top="621" width="285" height="28" color="#000000" bgColor="#e1ffff" fontSize="10">
      <math decimalPlaces="6">
        <description active="false" position="Top" lang="eng">
          <p>Either 'rkfixed' or 'Rkadapt'</p>
        </description>
        <input>
          <e type="operand">s</e>
          <e type="operand">Y0</e>
          <e type="operand">t0</e>
          <e type="operand">t1</e>
          <e type="operand">N</e>
          <e type="operand">t</e>
          <e type="operand">u</e>
          <e type="function" args="2">RK</e>
          <e type="function" preserve="true" args="5">Rkadapt</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="15" left="333" top="666" width="165" height="69" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="6">
        <input>
          <e type="operand">X</e>
          <e type="operand">s</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Y</e>
          <e type="operand">s</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="operator" args="2">:</e>
          <e type="operand">SOL</e>
          <e type="operand">X</e>
          <e type="operand">Y</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="operator" args="2">:</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">line</e>
        </input>
      </math>
    </region>
    <region id="16" left="45" top="765" width="314" height="198" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
      <math>
        <description active="true" position="Top" lang="eng">
          <p>Core component of the stem style</p>
        </description>
        <input>
          <e type="operand">P</e>
          <e type="operand">v</e>
          <e type="function" args="2">replicate</e>
          <e type="operand">k</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">v</e>
          <e type="function" preserve="true" args="1">length</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">P</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">1</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">continue</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="operand">P</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">T</e>
          <e type="operand">k</e>
          <e type="operand">j</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="function" preserve="true" args="3">for</e>
          <e type="operand">k</e>
          <e type="operand">k</e>
          <e type="operand">P</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</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">if</e>
          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">T</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>
    </region>
    <region id="17" left="378" top="765" width="357" height="249" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
      <math decimalPlaces="6">
        <description active="true" position="Top" lang="eng">
          <p>Stem construction</p>
        </description>
        <input>
          <e type="operand">vy</e>
          <e type="function" args="1">stem</e>
          <e type="operand">N</e>
          <e type="operand">vy</e>
          <e type="function" preserve="true" args="1">length</e>
          <e type="operator" args="2">:</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">N</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">q</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">3</e>
          <e type="operator" args="2">:</e>
          <e type="operand">q</e>
          <e type="operand">N</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">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">1</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">line</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">N</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">v</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">i</e>
          <e type="operator" args="2">:</e>
          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">N</e>
          <e type="function" preserve="true" args="2">range</e>
          <e type="operand">S</e>
          <e type="operand">3</e>
          <e type="operand">i</e>
          <e type="operator" args="2">*</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">vy</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operator" args="2">:</e>
          <e type="function" preserve="true" args="3">for</e>
          <e type="operand">u</e>
          <e type="operand">q</e>
          <e type="operand">v</e>
          <e type="function" args="2">replicate</e>
          <e type="operator" args="2">:</e>
          <e type="operand">V</e>
          <e type="operand">u</e>
          <e type="operand">S</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="operator" args="2">:</e>
          <e type="operand">V</e>
          <e type="operand">V</e>
          <e type="operand">3</e>
          <e type="operand">V</e>
          <e type="function" preserve="true" args="1">rows</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="5">submatrix</e>
          <e type="operator" args="2">:</e>
          <e type="operand">7</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="9">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="18" left="36" top="1080" width="559" height="55" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="3">
        <input>
          <e type="operand">SOL</e>
          <e type="operand">X</e>
          <e type="operand">Y</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="operator" args="2">:</e>
          <e type="operand">radial</e>
          <e type="operand">SOL</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="function" args="1">stem</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="operand">SOL</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="function" args="1">stem</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">col</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>
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      </math>
    </region>
    <region id="19" top="1143" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="20" left="504" top="1170" width="264" height="107" border="true" color="#000000" bgColor="#e1ff80" fontSize="10">
    <math optimize="2">
      <description active="false" position="Top" lang="eng">
        <p />
      </description>
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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="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="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">/</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">i</e>
        <e type="operand">1</e>
        <e type="operand">N</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>
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        <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">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
        <e type="operator" args="2">:</e>
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      <input>
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        <e type="operand">Circles</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
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    <text lang="eng">
      <p bold="true">Lissajous </p>
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    <math decimalPlaces="3">
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        <e type="operand">t</e>
        <e type="function" args="1">fX</e>
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        <e type="operand">t</e>
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        <e type="operator" args="2">:</e>
        <e type="operand">t</e>
        <e type="function" args="1">fY</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">t</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">sin</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">sys</e>
      </input>
    </math>
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    <math>
      <input>
        <e type="operand">t</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">π</e>
        <e type="operator" args="2">*</e>
        <e type="operand">100</e>
        <e type="function" args="3">xd</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="25" left="351" top="1341" width="160" height="54" border="true" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">t</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">t</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fX</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>
      </input>
    </math>
  </region>
  <region id="26" left="513" top="1341" width="160" height="54" border="true" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math>
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        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">t</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">t</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fY</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>
      </input>
    </math>
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  <region id="27" left="351" top="1404" width="203" height="26" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math decimalPlaces="6">
      <input>
        <e type="operand">Lissajous</e>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="28" left="351" top="1449" width="95" 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">0.5</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
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    <math decimalPlaces="6">
      <input>
        <e type="operand">Lissajous_0</e>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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      <input>
        <e type="operand">Lissajous</e>
        <e type="operand">x</e>
        <e type="function" args="1">f</e>
        <e type="operand">0.7034</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand" style="string">+</e>
        <e type="operand">40</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
      </input>
    </plot>
  </region>
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    <xyplot width="320" height="319" smoothing="false" points="100">
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      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title=" radial grid system" titlefont="Times New Roman, 14.25pt, style=Bold" titlefontcolor="Black" />
      <xylabel labelfont="Arial, 11.25pt, style=Bold" labelfontcolor="Black" tickfont="Courier New, 10pt" tickfontcolor="Black" xlabel="X" ylabel="Y" y2label="y2" />
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      <input>
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        <e type="operand">3</e>
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        <e type="function" preserve="true" args="5">sys</e>
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    <math optimize="2" fractionType="auto" decimalPlaces="3">
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        <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>
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  <region id="33" left="18" top="2043" width="151" height="49" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math decimalPlaces="3">
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        <e type="function" args="1">fX</e>
        <e type="operand">1</e>
        <e type="operand">t</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
        <e type="operand">t</e>
        <e type="function" args="1">fY</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">t</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">sin</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">sys</e>
      </input>
    </math>
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  <region id="34" left="198" top="2052" width="159" height="26" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math>
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        <e type="operand">tt</e>
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        <e type="operand">π</e>
        <e type="operator" args="2">*</e>
        <e type="operand">150</e>
        <e type="function" args="3">xd</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="35" left="18" top="2097" width="176" height="54" border="true" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">i</e>
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        <e type="operand">tt</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">λX</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">tt</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fX</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>
      </input>
    </math>
  </region>
  <region id="36" left="198" top="2097" width="176" height="54" border="true" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math>
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        <e type="operand">i</e>
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        <e type="operand">tt</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">λY</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">tt</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fY</e>
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        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
      </input>
    </math>
  </region>
  <region id="37" left="18" top="2151" width="372" height="75" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math decimalPlaces="9">
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        <e type="operand">λX</e>
        <e type="operand">λY</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sanity</e>
        <e type="operand">Lissajous</e>
        <e type="operand">36</e>
        <e type="operand">40</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">1</e>
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        <e type="function" preserve="true" args="2">range</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">λissajous</e>
        <e type="operand">Lissajous</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">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
      </input>
    </math>
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        <e type="operand">0.7034</e>
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        <e type="operand" style="string">+</e>
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        <e type="operand" style="string">red</e>
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        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
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        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
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  <region id="39" left="549" top="2376" width="220" height="99" color="#ffff00" bgColor="#010101" fontSize="10">
    <math decimalPlaces="5">
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        <e type="operand">sanity</e>
      </input>
      <result action="numeric">
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        <e type="operand">0.68823</e>
        <e type="operand">0.99861</e>
        <e type="operand">0.70337</e>
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        <e type="operand">0.7182</e>
        <e type="operand">0.9995</e>
        <e type="operand">0.73271</e>
        <e type="operand">0.99728</e>
        <e type="operand">5</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="12">mat</e>
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    </math>
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      </input>
    </math>
  </region>
  <region id="41" left="18" top="2709" width="305" height="146" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math decimalPlaces="3">
      <description active="true" position="Top" lang="eng">
        <p>Locate 1rst exact value in vector</p>
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        <e type="operator" args="2">:</e>
        <e type="operand">V</e>
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        <e type="operand">col</e>
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        <e type="operand">x</e>
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        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="2">while</e>
        <e type="operand">j</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand" style="string">inexistant</e>
        <e type="operand">j</e>
        <e type="operand">V</e>
        <e type="operand">j</e>
        <e type="operand">col</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="function" preserve="true" args="3">if</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>
  </region>
  <region id="42" left="360" top="2718" width="249" height="31" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">key</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="function" preserve="true" args="1">Max</e>
        <e type="operator" args="2">:</e>
        <e type="operand">col</e>
        <e type="operand">1</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>
      </input>
    </math>
  </region>
  <region id="43" left="360" top="2745" width="322" height="28" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">idxkey</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">key</e>
        <e type="operand">col</e>
        <e type="function" args="3">FindIdx</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="44" left="360" top="2772" width="169" height="27" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>row of Max(X)</p>
      </description>
      <input>
        <e type="operand">idxkey</e>
      </input>
      <result action="numeric">
        <e type="operand">75</e>
        <e type="operand">0.9999</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
      </result>
    </math>
  </region>
  <region id="45" left="360" top="2808" width="249" height="31" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">key</e>
        <e type="operand">data</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="function" preserve="true" args="1">Max</e>
        <e type="operator" args="2">:</e>
        <e type="operand">col</e>
        <e type="operand">1</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>
      </input>
    </math>
  </region>
  <region id="46" left="360" top="2835" width="322" height="28" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">idxkey</e>
        <e type="operand">data</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">key</e>
        <e type="operand">col</e>
        <e type="function" args="3">FindIdx</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="47" left="360" top="2862" width="169" height="27" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>row of Max(Y)</p>
      </description>
      <input>
        <e type="operand">idxkey</e>
      </input>
      <result action="numeric">
        <e type="operand">38</e>
        <e type="operand">0.9999</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
      </result>
    </math>
  </region>
  <region id="48" left="360" top="2889" width="112" height="32" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">j</e>
        <e type="operand">idxkey</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="49" left="360" top="2916" width="245" height="32" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">data</e>
        <e type="operand">j</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="function" preserve="true" args="3">el</e>
      </input>
      <result action="numeric">
        <e type="operand">0.7034</e>
        <e type="operand">0.9999</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="4">mat</e>
      </result>
    </math>
  </region>
  <region id="50" left="18" top="3006" width="305" height="97" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">vx</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="operand">75</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">vy</e>
        <e type="operand">data</e>
        <e type="operand">1</e>
        <e type="operand">75</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="3">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="function" args="1">c</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">x</e>
        <e type="operator" args="2">≤</e>
        <e type="bracket">(</e>
        <e type="operand">x</e>
        <e type="operand">1</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>
        <e type="operand">x</e>
        <e type="function" args="1">L</e>
        <e type="operand">vx</e>
        <e type="operand">vy</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="3">ainterp</e>
        <e type="operator" args="2">:</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
      </input>
    </math>
  </region>
  <region id="51" left="360" top="3006" width="397" height="267" border="true" color="#000000" bgColor="#ffffc8" fontSize="10">
    <math optimize="2" decimalPlaces="6">
      <description active="true" position="Top" lang="eng">
        <p>"RootSecant" intersect ... descending ▼ convergents</p>
      </description>
      <input>
        <e type="operand">Φ</e>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="operand">ε</e>
        <e type="function" args="4">X</e>
        <e type="operand">u</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">:</e>
        <e type="operand">u</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">b</e>
        <e type="operand">b</e>
        <e type="function" args="1">Φ</e>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">a</e>
        <e type="function" args="1">Φ</e>
        <e type="operand">b</e>
        <e type="function" args="1">Φ</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">2</e>
        <e type="operator" args="2">:</e>
        <e type="operand">u</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">u</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">Φ</e>
        <e type="operand">u</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">u</e>
        <e type="operand">i</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="operand">u</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="function" args="1">Φ</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">Φ</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">u</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="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="1">abs</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">&gt;</e>
        <e type="operand">u</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">u</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">Φ</e>
        <e type="operand">u</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">u</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
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        <e type="operand">u</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="function" args="1">Φ</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">Φ</e>
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        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">i</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="2">while</e>
        <e type="operand">u</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>
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    <math>
      <input>
        <e type="operand">datum</e>
        <e type="operand">0.5</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="53" left="18" top="3132" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10">
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      <input>
        <e type="operand">x</e>
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        <e type="function" args="1">c</e>
        <e type="operator" args="2">*</e>
        <e type="operand">datum</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="5">sys</e>
      </input>
    </plot>
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  <region id="54" left="270" top="3258" width="80" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">ε</e>
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        <e type="operator" args="2">:</e>
      </input>
    </math>
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  <region id="55" left="360" top="3303" width="182" height="28" color="#000000" bgColor="#ffffc8" fontSize="10">
    <math optimize="2" decimalPlaces="6">
      <input>
        <e type="operand">x</e>
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        <e type="operand">x</e>
        <e type="function" args="1">L</e>
        <e type="operand">datum</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="56" left="360" top="3339" width="185" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">sol_0</e>
        <e type="operand">Φ</e>
        <e type="operand">0</e>
        <e type="operand">0.7</e>
        <e type="operand">ε</e>
        <e type="function" args="4">X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="57" left="360" top="3366" width="201" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math optimize="2">
      <description active="true" position="Right" lang="eng">
        <p>initialise wisely !</p>
      </description>
      <input>
        <e type="operand">sol_1</e>
        <e type="operand">Φ</e>
        <e type="operand">0.945</e>
        <e type="operand">1</e>
        <e type="operand">ε</e>
        <e type="function" args="4">X</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="58" left="45" top="3420" width="228" height="162" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="15">
      <input>
        <e type="operand">sol_0</e>
      </input>
      <result action="numeric">
        <e type="operand">1</e>
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        <e type="operand">15</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand">0.350070982965514</e>
        <e type="operand">0.266888079210708</e>
        <e type="operand">0.258410754173512</e>
        <e type="operand">0.258820137259686</e>
        <e type="operand">0.258818626393789</e>
        <e type="operand">0.258818626102566</e>
        <e type="operand">0.258818626102566</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="59" left="360" top="3420" width="228" height="234" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="15">
      <input>
        <e type="operand">sol_1</e>
      </input>
      <result action="numeric">
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">15</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand">0.955770768570007</e>
        <e type="operand">0.850002726102262</e>
        <e type="operand">0.975513398070962</e>
        <e type="operand">0.956436021438305</e>
        <e type="operand">0.965056677976582</e>
        <e type="operand">0.965998585413537</e>
        <e type="operand">0.965926992639188</e>
        <e type="operand">0.965927689624858</e>
        <e type="operand">0.965927690228546</e>
        <e type="operand">0.965927690228543</e>
        <e type="operand">0.965927690228543</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
      </result>
    </math>
  </region>
  <region id="60" left="18" top="3618" width="233" height="31" color="#000000" bgColor="#80ffff" fontSize="14">
    <text lang="eng">
      <p bold="true">Working with Gerono</p>
    </text>
  </region>
  <region id="61" left="18" top="3663" width="214" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="6">
      <input>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="62" left="252" top="3672" width="43" height="24" color="#000000" bgColor="#ffff80" fontSize="10">
    <math decimalPlaces="6">
      <input>
        <e type="operand">r</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="63" left="297" top="3672" width="43" height="24" color="#000000" bgColor="#ffff80" fontSize="10">
    <math decimalPlaces="6">
      <input>
        <e type="operand">ε</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="64" left="495" top="3681" width="240" height="179" color="#000000" bgColor="#ffffff" fontSize="8">
    <plot type="2d" render="lines" scale_x="7.66390726543742" scale_y="7.66390726543742" scale_z="7.66390726543742" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="0" transpose_y="0" transpose_z="0">
      <description active="true" position="Top" lang="eng">
        <p>Unknown application ?</p>
      </description>
      <input>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operand">3</e>
        <e type="operand">π</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
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    </plot>
  </region>
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    <plot type="2d" render="lines" scale_x="7.66390726543742" scale_y="7.66390726543742" scale_z="7.66390726543742" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="0" transpose_y="0" transpose_z="0">
      <description active="true" position="Right" lang="eng">
        <p>Unknown application ?</p>
      </description>
      <input>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operator" args="1">-</e>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operand">0.5</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="function" preserve="true" args="1">abs</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">ε</e>
        <e type="operand">x</e>
        <e type="function" args="3">Gerono</e>
        <e type="operand">0.5</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="function" preserve="true" args="1">abs</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">sys</e>
      </input>
    </plot>
  </region>
  <region id="66" left="18" top="4032" width="205" height="35" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">L</e>
        <e type="operand">x</e>
        <e type="operand">4</e>
        <e type="operator" args="2">^</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">-</e>
        <e type="operand">0.5</e>
        <e type="operand">y</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="67" left="252" top="4032" 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="68" left="477" top="4032" width="230" height="35" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">f</e>
        <e type="operand">1</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">1</e>
        <e type="operand">y</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="69" left="18" top="4086" width="426" height="233" color="#000000" bgColor="#ffffff" fontSize="10">
    <xyplot width="416" height="225" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1.5" xmax="1.5" xtick="0.5" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="1" ytick="0.5" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="Cartesian Lissajous" titlefont="Arial, 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" />
      </traces>
      <input>
        <e type="operand">L</e>
        <e type="operand">axes</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </xyplot>
  </region>
  <region id="70" left="477" top="4086" width="210" height="208" color="#000000" bgColor="#ffffff" fontSize="10">
    <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="-5" xmax="5" xtick="2.5" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="1" ytick="0.5" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="" titlefont="Arial, 12pt" 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" />
      </traces>
      <input>
        <e type="operand">f</e>
      </input>
    </xyplot>
  </region>
  <region id="71" left="396" top="4347" width="270" height="27" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">list</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">20</e>
        <e type="operand">30</e>
        <e type="operand">40</e>
        <e type="operand">60</e>
        <e type="operand">70</e>
        <e type="operand">80</e>
        <e type="operand">90</e>
        <e type="operand">1</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="11">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="72" left="396" top="4392" width="347" height="172" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math exponentialThreshold="3">
      <input>
        <e type="operand">data</e>
        <e type="function" args="1">ListCollect</e>
        <e type="operand" style="string">collects index list</e>
        <e type="operand">select</e>
        <e type="operand">list</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">select</e>
        <e type="operand">a</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">data</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">b</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">data</e>
        <e type="operand">i</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="3">el</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">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="function" preserve="true" args="2">augment</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="73" left="18" top="4401" width="205" height="35" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">L</e>
        <e type="operand">x</e>
        <e type="operand">4</e>
        <e type="operator" args="2">^</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">-</e>
        <e type="operand">0.5</e>
        <e type="operand">y</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="74" left="18" top="4446" width="229" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">ω</e>
        <e type="operand">Lissajous_0</e>
        <e type="function" args="1">ListCollect</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="75" left="18" top="4482" width="120" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">ω</e>
        <e type="operand">ω</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">csort</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="76" left="18" top="4518" width="378" height="233" color="#000000" bgColor="#ffffff" fontSize="10">
    <xyplot width="368" height="225" smoothing="false" points="100">
      <propertiessource index="1" sourcetype="PropertyGrid" />
      <grid gridcolor="LightGray" gridpattern="Solid" gridthickness="1" isxgrid="true" isygrid="true" />
      <xaxes xmin="-1.5" xmax="1.5" xtick="0.5" numberformat="General" decimalplaces="3" />
      <yaxes ymin="-1" ymax="1" ytick="0.5" numberformat="General" decimalplaces="3" />
      <y2axes isy2axis="false" y2min="-1" y2max="1" y2tick="0.5" numberformat="General" decimalplaces="3" />
      <title2d title="" titlefont="Arial, 12pt" 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="false" plotmethod="Lines" linecolor="Red" linethickness="1" linepattern="Solid" symbolsize="3" symboltype="Dot" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="Black" />
      </traces>
      <input>
        <e type="operand">L</e>
        <e type="operand">ω</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </xyplot>
  </region>
  <region id="77" left="549" top="4590" width="179" height="171" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">ω</e>
      </input>
      <result action="numeric">
        <e type="operand">0.9549</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.5671</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.945</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.6182</e>
        <e type="operand">0.5929</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.9549</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.5671</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.9341</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0.5406</e>
        <e type="operand">0.9096</e>
        <e type="operand">0.6182</e>
        <e type="operand">0.9718</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.9341</e>
        <e type="operand">0.6668</e>
        <e type="operand">0.9638</e>
        <e type="operand">0.5137</e>
        <e type="operator" args="1">-</e>
        <e type="operand">9</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="20">mat</e>
      </result>
    </math>
  </region>
  <region id="78" top="4815" color="#000000" bgColor="#c0c0c0">
    <area single="true" collapsed="true" />
  </region>
  <region id="79" left="18" top="4842" width="228" height="31" color="#000000" bgColor="#c0ffff" fontSize="14">
    <text lang="eng">
      <p bold="true">multiple Lissajous </p>
    </text>
  </region>
  <region id="80" left="18" top="4878" width="151" height="49" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">t</e>
        <e type="function" args="1">fX</e>
        <e type="operand">1</e>
        <e type="operand">t</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
        <e type="operand">t</e>
        <e type="function" args="1">fY</e>
        <e type="operand">1</e>
        <e type="operand">4</e>
        <e type="operand">t</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">sin</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">sys</e>
      </input>
    </math>
  </region>
  <region id="81" left="360" top="4878" width="264" height="107" border="true" color="#000000" bgColor="#e1ff80" fontSize="10">
    <math optimize="2">
      <description active="false" position="Top" lang="eng">
        <p />
      </description>
      <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="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">/</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">i</e>
        <e type="operand">1</e>
        <e type="operand">N</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">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="82" left="180" top="4896" width="151" height="26" color="#000000" bgColor="#e1ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">t</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">π</e>
        <e type="operator" args="2">*</e>
        <e type="operand">100</e>
        <e type="function" args="3">xd</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="83" left="18" top="4932" width="160" height="54" border="true" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">t</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">t</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fX</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>
      </input>
    </math>
  </region>
  <region id="84" left="180" top="4932" width="160" height="54" border="true" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">t</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">t</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">fY</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>
      </input>
    </math>
  </region>
  <region id="85" left="18" top="4986" width="203" height="26" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math decimalPlaces="6">
      <input>
        <e type="operand">Lissajous</e>
        <e type="operand">X</e>
        <e type="operand">Y</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="86" left="360" top="5004" width="189" height="49" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math>
      <input>
        <e type="operand">θ</e>
        <e type="function" args="1">rot</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="1">-</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</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>
      </input>
    </math>
  </region>
  <region id="87" left="558" top="5004" width="56" height="41" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math>
      <input>
        <e type="operand">θ</e>
        <e type="operand">π</e>
        <e type="operator" args="1">-</e>
        <e type="operand">4</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="88" left="18" top="5013" width="170" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">ortho</e>
        <e type="operand">Y</e>
        <e type="operand">X</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="89" left="18" top="5049" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="7.10865056945713" scale_y="7.10865056945713" scale_z="7.10865056945713" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="0" transpose_y="0" transpose_z="0">
      <input>
        <e type="operand">Lissajous</e>
        <e type="operand">ortho</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="90" left="360" top="5049" width="145" height="26" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>NOT commutative</p>
      </description>
      <input>
        <e type="operand">Rot</e>
        <e type="operand">ortho</e>
        <e type="operand">θ</e>
        <e type="function" args="1">rot</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="91" left="360" top="5085" width="240" height="158" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="5.55991731349224" scale_y="5.55991731349224" scale_z="5.55991731349224" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="0" transpose_y="0" transpose_z="0">
      <input>
        <e type="operand">Rot</e>
        <e type="operand">x</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </plot>
  </region>
</regions>