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          <e type="operator" args="2">:</e>
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          <e type="operand">0</e>
          <e type="operand">v</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≈</e>
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          <e type="operand">1</e>
          <e type="function" args="4">line</e>
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          <e type="function" args="1">V</e>
          <e type="operand">A</e>
          <e type="operand">x</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="function" args="3">fsn</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand" style="unit">N</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">x</e>
          <e type="operand">L</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operand">1</e>
          <e type="function" args="3">fsn</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operand">B</e>
          <e type="operand">x</e>
          <e type="operand">L</e>
          <e type="operand">0</e>
          <e type="function" args="3">fsn</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="18" top="756" width="451" height="43" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">x</e>
          <e type="function" args="1">M</e>
          <e type="operand">A</e>
          <e type="operand">x</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="function" args="3">fsn</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operand" style="unit">N</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">x</e>
          <e type="operand">L</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operand">2</e>
          <e type="function" args="3">fsn</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operand">B</e>
          <e type="operand">x</e>
          <e type="operand">L</e>
          <e type="operand">1</e>
          <e type="function" args="3">fsn</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="18" top="828" width="227" height="40" color="#000000" fontSize="10">
      <text lang="spa" fontFamily="FiraCode Nerd Font" fontSize="10">
        <content>
          <p>Boundary conditions:<br />V(x) and M(x) are 0 on x&gt;L</p>
        </content>
      </text>
    </region>
    <region left="18" top="891" width="131" height="33" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">x#</e>
          <e type="operand">L</e>
          <e type="operand">10</e>
          <e type="operand">10</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region left="18" top="963" width="329" height="51" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">x#</e>
          <e type="function" args="1">V</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">x#</e>
          <e type="function" args="1">M</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
          <e type="operand">A</e>
          <e type="operand">10</e>
          <e type="operand" style="unit">N</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">B</e>
          <e type="operand">10</e>
          <e type="operand" style="unit">N</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" args="4">mat</e>
          <e type="function" args="2">FindRoot</e>
        </input>
        <contract>
          <e type="operand" style="unit">N</e>
        </contract>
        <result action="numeric">
          <e type="operand">0.25</e>
          <e type="operand">0.75</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">mat</e>
        </result>
      </math>
    </region>
    <region left="18" top="1044" width="80" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">A</e>
        </input>
        <result action="numeric">
          <e type="operand">0.25</e>
          <e type="operand" style="unit">N</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region left="189" top="1044" width="80" height="24" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">B</e>
        </input>
        <result action="numeric">
          <e type="operand">0.75</e>
          <e type="operand" style="unit">N</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region left="18" top="1098" width="625" height="158" color="#000000" fontSize="10">
      <plot type="2d" render="lines" scale_x="2.68615274272694" scale_y="9.79871384319183" scale_z="26.3208420650862" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-258" transpose_y="12" transpose_z="0">
        <input>
          <e type="operand">x</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">q</e>
          <e type="operand">x</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">V</e>
          <e type="operand">x</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">M</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">sys</e>
        </input>
      </plot>
    </region>
  </regions>
</worksheet>