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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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      <text lang="eng">
        <p>Combinet biaxial bending and tension/compression
of rectangular concrete section</p>
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          <e type="operand">4</e>
          <e type="operator" args="1">-</e>
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          <e type="operand">ε</e>
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          <e type="operand">1000</e>
          <e type="operand">ε</e>
          <e type="operator" args="2">*</e>
          <e type="operand">250</e>
          <e type="operand">ε</e>
          <e type="operator" args="2">*</e>
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          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">f.cd</e>
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          <e type="operand">ε</e>
          <e type="operand">0.2</e>
          <e type="operand" style="unit">%</e>
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        <p>Concrete constitutive equation</p>
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      <text lang="eng">
        <p>Concrete design strenght</p>
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          <e type="operand">f.cd</e>
          <e type="operand">35</e>
          <e type="operand" style="unit">MPa</e>
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      <text lang="eng">
        <p>Steel constitutive</p>
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          <e type="operand">ε</e>
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          <e type="operand">E.s</e>
          <e type="operand">ε</e>
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      <text lang="eng">
        <p>Steel Young's modulus</p>
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          <e type="operand">E.s</e>
          <e type="operand">210</e>
          <e type="operand" style="unit">GPa</e>
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      <math>
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          <e type="operand">V</e>
          <e type="operand" style="string">ID</e>
          <e type="operand" style="string">x</e>
          <e type="operand" style="string">y</e>
          <e type="operand">1</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">2</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0</e>
          <e type="operand">3</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">0</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
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          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">6</e>
          <e type="operand">3</e>
          <e type="function" args="20">mat</e>
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        <p>Section vertices</p>
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          <p>Some definitions</p>
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          <p>Coordinate vertici sezione</p>
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            <e type="operand">V</e>
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            <e type="operand">2</e>
            <e type="operand">V</e>
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            <e type="operand">14</e>
            <e type="operand">0</e>
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            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
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            <e type="operand">2</e>
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            <e type="operand">14</e>
            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
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            <e type="operand">y.v</e>
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            <e type="operand" style="unit">cm</e>
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            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">14</e>
            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
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          <e type="operand">n.v</e>
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          <e type="operand">7</e>
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          <e type="operand">7</e>
          <e type="operand" style="unit">cm</e>
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          <e type="operator" args="2">:</e>
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          <e type="operand">barre</e>
          <e type="operand" style="string">x</e>
          <e type="operand" style="string">y</e>
          <e type="operand" style="string">#</e>
          <e type="operand" style="string">ϕ</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand">4</e>
          <e type="function" args="22">mat</e>
          <e type="operator" args="2">:</e>
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      </math>
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      <text lang="eng">
        <p>Rebar matrix</p>
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      <area collapsed="true">
        <title lang="ita">
          <p>Some definitions</p>
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            <e type="operand">x.s</e>
            <e type="operand">barre</e>
            <e type="operand">2</e>
            <e type="operand">barre</e>
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            <e type="operand">1</e>
            <e type="operand">1</e>
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            <e type="operand">y.s</e>
            <e type="operand">barre</e>
            <e type="operand">2</e>
            <e type="operand">barre</e>
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            <e type="operand">2</e>
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            <e type="operand">r.b</e>
            <e type="operand">x.s</e>
            <e type="operand">y.s</e>
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            <e type="operand">num</e>
            <e type="operand">barre</e>
            <e type="operand">2</e>
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            <e type="operand">3</e>
            <e type="operand">3</e>
            <e type="function" args="5">submatrix</e>
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            <e type="operand">dia</e>
            <e type="operand">barre</e>
            <e type="operand">2</e>
            <e type="operand">barre</e>
            <e type="function" args="1">rows</e>
            <e type="operand">4</e>
            <e type="operand">4</e>
            <e type="function" args="5">submatrix</e>
            <e type="operator" args="2">:</e>
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          <input>
            <e type="operand">i</e>
            <e type="operand">1</e>
            <e type="operand">num</e>
            <e type="function" args="1">length</e>
            <e type="function" args="2">range</e>
            <e type="operand">num</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="operand" style="string"></e>
            <e type="operator" args="2">≠</e>
            <e type="operand">A.s</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="operand">num</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="operand">π</e>
            <e type="operand">4</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">*</e>
            <e type="operand">dia</e>
            <e type="operand">i</e>
            <e type="function" 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="operator" args="2">:</e>
            <e type="operand">A.s</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="function" args="3">if</e>
            <e type="function" args="3">for</e>
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        <area terminator="true" />
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          <e type="operand">x.s</e>
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          <e type="operand" style="unit">mm</e>
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          <e type="operand">25</e>
          <e type="operand">115</e>
          <e type="operand">115</e>
          <e type="operand">25</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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          <e type="operand">y.s</e>
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        <contract>
          <e type="operand" style="unit">mm</e>
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          <e type="operand">25</e>
          <e type="operand">115</e>
          <e type="operand">25</e>
          <e type="operand">115</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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          <e type="operand">A.s</e>
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        <contract>
          <e type="operand" style="unit">mm</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
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          <e type="operand">113.1</e>
          <e type="operand">113.1</e>
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          <e type="operand">113.1</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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    </region>
    <region id="36" left="0" top="1350" width="69" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Rebar #</p>
      </text>
    </region>
    <region id="37" left="117" top="1350" width="191" height="31" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="0">
        <input>
          <e type="operand">n.b</e>
          <e type="operand">barre</e>
          <e type="function" args="1">rows</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">4</e>
        </result>
      </math>
    </region>
    <region id="38" left="387" top="1350" width="62" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">arm</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="39" left="0" top="1395" width="171" height="28" border="true" color="#000000" bgColor="#ffffff" fontSize="12">
      <text lang="ita">
        <p>External actions</p>
      </text>
    </region>
    <region id="40" left="0" top="1431" width="102" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Axial force</p>
      </text>
    </region>
    <region id="41" left="198" top="1431" width="78" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">N.Ed</e>
          <e type="operand">0</e>
          <e type="operand" style="unit">kN</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="42" left="0" top="1458" width="119" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Bending mom X</p>
      </text>
    </region>
    <region id="43" left="198" top="1458" width="135" height="31" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">M.x.Ed</e>
          <e type="operand">20</e>
          <e type="operator" args="1">-</e>
          <e type="bracket">(</e>
          <e type="operand" style="unit">kN</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>
        </input>
      </math>
    </region>
    <region id="44" left="0" top="1494" width="119" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Bending mom Y</p>
      </text>
    </region>
    <region id="45" left="198" top="1494" width="135" height="31" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">M.y.Ed</e>
          <e type="operand">20</e>
          <e type="operator" args="1">-</e>
          <e type="bracket">(</e>
          <e type="operand" style="unit">kN</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>
        </input>
      </math>
    </region>
    <region id="46" left="0" top="1530" width="171" height="28" border="true" color="#000000" bgColor="#ffffff" fontSize="12">
      <text lang="ita">
        <p>Internal actions</p>
      </text>
    </region>
    <region id="47" left="198" top="1575" width="377" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">ε</e>
          <e type="operand">ε.G</e>
          <e type="operand">y</e>
          <e type="operand">y.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operand">χ.x</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operand">x</e>
          <e type="operand">x.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operand">χ.y</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="48" left="0" top="1584" width="152" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Deformation func.</p>
      </text>
    </region>
    <region id="49" left="207" top="1629" width="148" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x.min</e>
          <e type="operand">x.v</e>
          <e type="function" args="1">min</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="50" left="0" top="1638" width="193" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Integration boundaries</p>
      </text>
    </region>
    <region id="51" left="207" top="1656" width="172" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x.max</e>
          <e type="operand">x.v</e>
          <e type="function" args="1">max</e>
          <e type="operator" args="2">:</e>
        </input>
        <contract>
          <e type="operand" style="unit">mm</e>
        </contract>
        <result action="numeric">
          <e type="operand">140</e>
        </result>
      </math>
    </region>
    <region id="52" left="207" top="1692" width="148" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">y.min</e>
          <e type="operand">y.v</e>
          <e type="function" args="1">min</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="53" left="207" top="1719" width="172" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">y.max</e>
          <e type="operand">y.v</e>
          <e type="function" args="1">max</e>
          <e type="operator" args="2">:</e>
        </input>
        <contract>
          <e type="operand" style="unit">mm</e>
        </contract>
        <result action="numeric">
          <e type="operand">140</e>
        </result>
      </math>
    </region>
    <region id="54" top="1764" color="#000000" bgColor="#ffffff">
      <area collapsed="true">
        <title lang="eng">
          <p>Units purge</p>
        </title>
      </area>
      <region id="55" left="0" top="1791" width="176" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">y.G.CLS</e>
            <e type="operand">y.G.CLS</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0.07</e>
          </result>
        </math>
      </region>
      <region id="56" left="171" top="1791" width="176" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">x.G.CLS</e>
            <e type="operand">x.G.CLS</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0.07</e>
          </result>
        </math>
      </region>
      <region id="57" left="0" top="1854" width="158" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">E.s</e>
            <e type="operand">E.s</e>
            <e type="operand" style="unit">kPa</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">2.1</e>
            <e type="operand">10</e>
            <e type="operand">8</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
          </result>
        </math>
      </region>
      <region id="58" left="198" top="1854" width="146" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">f.cd</e>
            <e type="operand">f.cd</e>
            <e type="operand" style="unit">kPa</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">35000</e>
          </result>
        </math>
      </region>
      <region id="59" left="369" top="1917" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">x.min</e>
            <e type="operand">x.min</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="60" left="504" top="1917" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">y.min</e>
            <e type="operand">y.min</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="61" left="0" top="1926" width="139" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">x.v</e>
            <e type="operand">x.v</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0</e>
            <e type="operand">0.14</e>
            <e type="operand">0.14</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
          </result>
        </math>
      </region>
      <region id="62" left="171" top="1926" width="139" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">y.v</e>
            <e type="operand">y.v</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">0.14</e>
            <e type="operand">0.14</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
          </result>
        </math>
      </region>
      <region id="63" left="369" top="2007" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">x.max</e>
            <e type="operand">x.max</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="64" left="504" top="2007" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">y.max</e>
            <e type="operand">y.max</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="65" left="324" top="2088" width="117" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">A.s</e>
            <e type="operand">A.s</e>
            <e type="operand" style="unit">m</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>
          <result action="numeric">
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">4</e>
            <e type="operand">1</e>
            <e type="function" args="6">mat</e>
          </result>
        </math>
      </region>
      <region id="66" left="0" top="2097" width="139" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">x.s</e>
            <e type="operand">x.s</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0.02</e>
            <e type="operand">0.12</e>
            <e type="operand">0.12</e>
            <e type="operand">0.02</e>
            <e type="operand">4</e>
            <e type="operand">1</e>
            <e type="function" args="6">mat</e>
          </result>
        </math>
      </region>
      <region id="67" left="171" top="2097" width="139" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">y.s</e>
            <e type="operand">y.s</e>
            <e type="operand" style="unit">m</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0.02</e>
            <e type="operand">0.12</e>
            <e type="operand">0.02</e>
            <e type="operand">0.12</e>
            <e type="operand">4</e>
            <e type="operand">1</e>
            <e type="function" args="6">mat</e>
          </result>
        </math>
      </region>
      <region id="68" left="0" top="2214" width="761" height="48" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">ε.G</e>
            <e type="operand">χ.x</e>
            <e type="operand">χ.y</e>
            <e type="operand">x</e>
            <e type="operand">y</e>
            <e type="function" args="5">ε</e>
            <e type="operand">ε.G</e>
            <e type="operand">y</e>
            <e type="operand">y.G.CLS</e>
            <e type="operator" args="2">-</e>
            <e type="bracket">(</e>
            <e type="operand">χ.x</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">x</e>
            <e type="operand">x.G.CLS</e>
            <e type="operator" args="2">-</e>
            <e type="bracket">(</e>
            <e type="operand">χ.y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="symbolic">
            <e type="operand">100</e>
            <e type="operand">ε.G</e>
            <e type="operator" args="2">*</e>
            <e type="operand">7</e>
            <e type="operator" args="1">-</e>
            <e type="operand">100</e>
            <e type="operand">y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operand">χ.x</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">7</e>
            <e type="operator" args="1">-</e>
            <e type="operand">100</e>
            <e type="operand">x</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operand">χ.y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">100</e>
            <e type="operator" args="2">/</e>
          </result>
        </math>
      </region>
      <region id="69" top="2259" color="#000000" bgColor="#ffffff">
        <area terminator="true" />
      </region>
    </region>
    <region id="70" left="9" top="2295" width="694" height="145" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">2</e>
          <e type="function" args="1">f</e>
          <e type="operand">x.1</e>
          <e type="operand">x.2</e>
          <e type="operand">y.1</e>
          <e type="operand">y.2</e>
          <e type="operand">n.x</e>
          <e type="operand">n.y</e>
          <e type="function" args="7">DInt</e>
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">n</e>
          <e type="function" args="3">RK</e>
          <e type="operand">M</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" args="3">mat</e>
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">n</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">D</e>
          <e type="function" args="5">al_rkckadapt</e>
          <e type="operator" args="2">:</e>
          <e type="operand">M</e>
          <e type="operand">M</e>
          <e type="function" args="1">rows</e>
          <e type="operand">2</e>
          <e type="function" args="3">el</e>
          <e type="function" args="1">eval</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
          <e type="operand">y</e>
          <e type="operand">u</e>
          <e type="function" args="2">D</e>
          <e type="operand">x</e>
          <e type="operand">v</e>
          <e type="function" args="2">D</e>
          <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">1</e>
          <e type="function" args="3">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">x.1</e>
          <e type="operand">x.2</e>
          <e type="operand">n.x</e>
          <e type="function" args="3">RK</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
          <e type="operand">y.1</e>
          <e type="operand">y.2</e>
          <e type="operand">n.y</e>
          <e type="function" args="3">RK</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="71" left="18" top="2457" width="60" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">n.x</e>
          <e type="operand">15</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="72" left="135" top="2457" width="60" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">n.y</e>
          <e type="operand">15</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="73" left="0" top="2556" width="93" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">θ</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="74" left="81" top="2583" width="328" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">φ.1</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">θ</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="75" left="81" top="2628" width="502" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.CLS</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">φ.1</e>
          <e type="operand">x.min</e>
          <e type="operand">x.max</e>
          <e type="operand">y.min</e>
          <e type="operand">y.max</e>
          <e type="operand">n.x</e>
          <e type="operand">n.y</e>
          <e type="function" args="7">DInt</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="76" left="81" top="2682" width="328" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">φ.2</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">θ</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="77" left="81" top="2718" width="515" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.CLS</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">φ.2</e>
          <e type="operand">x.min</e>
          <e type="operand">x.max</e>
          <e type="operand">y.min</e>
          <e type="operand">y.max</e>
          <e type="operand">n.x</e>
          <e type="operand">n.y</e>
          <e type="function" args="7">DInt</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="78" left="81" top="2790" width="414" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">φ.3</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">θ</e>
          <e type="operand">x</e>
          <e type="operand">x.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="79" left="81" top="2817" width="515" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.CLS</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">φ.3</e>
          <e type="operand">x.min</e>
          <e type="operand">x.max</e>
          <e type="operand">y.min</e>
          <e type="operand">y.max</e>
          <e type="operand">n.x</e>
          <e type="operand">n.y</e>
          <e type="function" args="7">DInt</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="80" left="0" top="2916" width="479" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.As</e>
          <e type="operand">i</e>
          <e type="function" args="1">Clear</e>
          <e type="operand">arm</e>
          <e type="operand">A.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.s</e>
          <e type="operator" args="2">*</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">n.b</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="81" left="0" top="3024" width="594" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.As</e>
          <e type="operand">i</e>
          <e type="function" args="1">Clear</e>
          <e type="operand">arm</e>
          <e type="operand">A.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.s</e>
          <e type="operator" args="2">*</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">n.b</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="82" left="0" top="3132" width="594" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.As</e>
          <e type="operand">i</e>
          <e type="function" args="1">Clear</e>
          <e type="operand">arm</e>
          <e type="operand">A.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">x.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.s</e>
          <e type="operator" args="2">*</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">n.b</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="83" left="0" top="3249" width="437" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.CLS</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.As</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="84" left="0" top="3294" width="476" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.CLS</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.As</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="85" left="0" top="3339" width="476" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.CLS</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.As</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="86" left="0" top="3420" width="313" height="169" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">u</e>
          <e type="function" args="1">f</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" args="5">mat</e>
          <e type="operand">u</e>
          <e type="function" args="1">transpose</e>
          <e type="operator" args="2">:</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int</e>
          <e type="operand">N.Ed</e>
          <e type="operand" style="unit">kN</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int</e>
          <e type="operand">M.x.Ed</e>
          <e type="operand" style="unit">kN</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>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int</e>
          <e type="operand">M.y.Ed</e>
          <e type="operand" style="unit">kN</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>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="function" args="1">eval</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="87" left="0" top="3627" width="69" height="63" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2" decimalPlaces="4">
        <input>
          <e type="operand">X0</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="88" left="153" top="3627" width="112" height="63" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">X0</e>
          <e type="function" args="1">f</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
          <e type="operand">20</e>
          <e type="operand">20</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
        </result>
      </math>
    </region>
    <region id="89" left="0" top="3735" width="125" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2" decimalPlaces="4">
        <input>
          <e type="operand">start</e>
          <e type="operand">0</e>
          <e type="function" args="1">time</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="90" left="0" top="3789" width="241" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="25" decimalPlaces="4">
        <input>
          <e type="operand">res</e>
          <e type="operand">X0</e>
          <e type="operand">f</e>
          <e type="function" args="2">al_nleqsolve</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="91" left="396" top="3789" width="182" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">res</e>
          <e type="function" args="1">f</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
          <e type="operand">3.2</e>
          <e type="operand">10</e>
          <e type="operand">14</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operand">3.2</e>
          <e type="operand">10</e>
          <e type="operand">14</e>
          <e type="operator" args="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" args="5">mat</e>
        </result>
      </math>
    </region>
    <region id="92" left="621" top="3870" width="230" height="35" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">res</e>
          <e type="function" args="1">f</e>
          <e type="function" args="1">norme</e>
        </input>
        <result action="numeric">
          <e type="operand">4.47</e>
          <e type="operand">10</e>
          <e type="operand">14</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region id="93" left="0" top="3879" width="273" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">sol_time</e>
          <e type="operand">0</e>
          <e type="function" args="1">time</e>
          <e type="operand">start</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
        <contract>
          <e type="operand" style="unit">s</e>
        </contract>
        <result action="numeric">
          <e type="operand">0.047</e>
        </result>
      </math>
    </region>
  </regions>
</worksheet>