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        <e type="function" args="3">Q</e>
        <e type="operand">x</e>
        <e type="operand">z</e>
        <e type="operator" args="2">*</e>
        <e type="operand">y</e>
        <e type="operand">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">y</e>
        <e type="operator" args="2">*</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="45" top="1134" width="540" height="123" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">Q</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="4">Jacob</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">Q</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="15" left="45" top="1278" width="277" height="72" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">Q</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="4">Jacob</e>
      </input>
      <result action="symbolic">
        <e type="operand">z</e>
        <e type="operand">0</e>
        <e type="operand">x</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="operand">y</e>
        <e type="operator" args="2">*</e>
        <e type="operand">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</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
      </result>
    </math>
  </region>
  <region id="16" left="333" top="1287" width="220" height="63" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">Q</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" args="4">Jacob</e>
      </input>
      <result action="numeric">
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">0</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
      </result>
    </math>
  </region>
  <region id="17" left="45" top="1368" width="324" height="28" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="4">
      <description active="true" position="Right" lang="eng">
        <p>|,| determinant from palette</p>
      </description>
      <input>
        <e type="operand">Q</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="4">Jacobdet</e>
        <e type="operand">Q</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="4">Jacob</e>
        <e type="function" preserve="true" args="1">det</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="18" left="45" top="1404" width="254" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">Q</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="4">Jacobdet</e>
      </input>
      <result action="symbolic">
        <e type="operand">4</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">y</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
      </result>
    </math>
  </region>
  <region id="19" left="9" top="1485" width="540" height="123" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">F</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="4">Jacob</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="2">diff</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="20" left="9" top="1611" width="238" height="92" color="#000000" bgColor="#c0ffff" fontSize="10">
    <math decimalPlaces="3">
      <description active="true" position="Top" lang="eng">
        <p>user Jacob: algo style assign</p>
      </description>
      <input>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">f</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">z</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</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>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">F</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="operand">z</e>
        <e type="function" args="3">f</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="21" left="279" top="1611" width="271" height="110" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math fractionType="fraction" decimalPlaces="4">
      <input>
        <e type="operand">M</e>
        <e type="function" args="1">NestCol</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">j</e>
        <e type="operand">1</e>
        <e type="operand">M</e>
        <e type="function" preserve="true" args="1">cols</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">a</e>
        <e type="operand">1</e>
        <e type="operand">ct</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">M</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ct</e>
        <e type="operand">ct</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">a</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="22" left="9" top="1728" width="526" height="69" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">f</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="operand">Φ</e>
        <e type="function" args="4">Jacob</e>
      </input>
      <result action="symbolic">
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
      </result>
    </math>
  </region>
  <region id="23" left="9" top="1800" width="626" height="72" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">F</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="operand">Φ</e>
        <e type="function" args="4">Jacob</e>
        <e type="function" args="1">NestCol</e>
      </input>
      <result action="symbolic">
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">r</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operator" args="2">*</e>
        <e type="operand">Φ</e>
        <e type="function" preserve="true" args="1">cos</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="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
      </result>
    </math>
  </region>
  <region id="24" left="9" top="1872" width="446" height="66" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">F</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operand">3</e>
        <e type="function" args="4">Jacob</e>
        <e type="function" args="1">NestCol</e>
      </input>
      <result action="numeric">
        <e type="operand">0.9</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.128</e>
        <e type="operand">0.416</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">0.412</e>
        <e type="operand">0.059</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.909</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">0.128</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.9</e>
        <e type="operator" args="1">-</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="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
      </result>
    </math>
  </region>
</regions>