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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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    <text lang="ger">
      <p bold="true">Beispiel für Integration von Sprungfunktionen mit Maxima</p>
    </text>
    <text lang="eng">
      <p bold="true">Example for integration of step functions using Maxima</p>
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      <p href="Plugin Maxima.sm">Maxima</p>
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    <text lang="ger">
      <p href="Examples.sm">Beispiele</p>
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    <text lang="eng">
      <p href="Examples.sm">Examples</p>
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        <e type="operand" style="string">int(), diff(), det(), lim() and sum() now use Maxima</e>
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      <p>Streckenlast </p>
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      <p>line load</p>
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      <p>Integration  der Streckenlast und Addition der Einzelkräfte</p>
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    <text lang="eng">
      <p>Integration of the line load and point loads</p>
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      <p>Querkraft</p>
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    <text lang="eng">
      <p>shear force</p>
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        <e type="operand">x</e>
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    <text lang="ger">
      <p>Biegemoment </p>
    </text>
    <text lang="eng">
      <p>bending moment</p>
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    <text lang="ger">
      <p>Neigungswinkel </p>
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    <text lang="eng">
      <p>slope</p>
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        <e type="function" args="1">w</e>
        <e type="operand">x</e>
        <e type="function" args="1">φ</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="2">int</e>
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    <text lang="ger">
      <p>Durchsenkung </p>
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    <text lang="eng">
      <p>deflection</p>
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    <text lang="ger">
      <p>Randbedingungen zur Bestimmung der unbekannten Konstanten (2 Reaktionskräfte und 4 Integrationskonstanten)</p>
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    <text lang="eng">
      <p>boundary conditions to determine the unknowns(2 support reactions and 4 integration constants)</p>
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        <e type="function" args="1">Q</e>
        <e type="operand">F.A</e>
        <e type="operator" args="2">≡</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="23" left="225" top="657" width="266" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Querkraft am linken Rand</p>
    </text>
    <text lang="eng">
      <p>Shear force at the left support</p>
    </text>
  </region>
  <region id="24" left="18" top="693" width="137" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">Q</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="25" left="225" top="693" width="290" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Querkraftfreiheit am rechten Ende</p>
    </text>
    <text lang="eng">
      <p>shear force at free right boundary</p>
    </text>
  </region>
  <region id="26" left="18" top="729" width="114" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="function" args="1">M</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="27" left="225" top="729" width="233" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Momentenfreiheit am linken Rand</p>
    </text>
    <text lang="eng">
      <p>Moment at the left boundary</p>
    </text>
  </region>
  <region id="28" left="18" top="765" width="137" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">M</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="29" left="225" top="765" width="241" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Momentenfreiheit am rechten Rand</p>
    </text>
    <text lang="eng">
      <p>Moment at the right boundary</p>
    </text>
  </region>
  <region id="30" left="18" top="801" width="114" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="function" args="1">w</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="31" left="225" top="801" width="258" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Durchsenkung bei A gleich Null</p>
    </text>
    <text lang="eng">
      <p>Deflection at the left support</p>
    </text>
  </region>
  <region id="32" left="18" top="828" width="141" height="45" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">w</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="33" left="225" top="837" width="266" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Durchsenkung bei B gleich Null</p>
    </text>
    <text lang="eng">
      <p>Deflection at the right support</p>
    </text>
  </region>
  <region id="34" left="18" top="882" width="249" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p underline="true">Lösung des Gleichungssystems</p>
    </text>
    <text lang="eng">
      <p underline="true">Solve the system of equations</p>
    </text>
  </region>
  <region id="35" left="27" top="909" width="158" height="164" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="function" preserve="true" args="1">Unknowns</e>
      </input>
      <result action="symbolic">
        <e type="operand">F.A</e>
        <e type="operand">F.B</e>
        <e type="operand">M.0</e>
        <e type="operand">Q.0</e>
        <e type="operand">w.0</e>
        <e type="operand">φ.0</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">mat</e>
      </result>
    </math>
  </region>
  <region id="36" left="198" top="909" width="377" height="276" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Gl</e>
        <e type="operand">Gl</e>
        <e type="function" preserve="true" args="1">Unknowns</e>
        <e type="function" preserve="true" args="2">Solve</e>
        <e type="function" preserve="true" args="1">Assign</e>
      </input>
      <result action="symbolic">
        <e type="operand">2</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">3</e>
        <e type="operator" args="2">/</e>
        <e type="operand">4</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">3</e>
        <e type="operator" args="2">/</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">37</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">4</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand">96</e>
        <e type="operand" preserve="false" style="unit">EI</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operand">365</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operator" args="2">*</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">3</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand">576</e>
        <e type="operand" preserve="false" style="unit">EI</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">sys</e>
      </result>
    </math>
  </region>
  <region id="37" left="27" top="1089" width="152" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Auflagerreaktionen</p>
    </text>
    <text lang="eng">
      <p>Support reactions</p>
    </text>
  </region>
  <region id="38" left="36" top="1116" width="66" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">F.A</e>
      </input>
      <contract>
        <e type="operand">F</e>
      </contract>
      <result action="symbolic">
        <e type="operand">2</e>
        <e type="operand">3</e>
        <e type="operator" args="2">/</e>
      </result>
    </math>
  </region>
  <region id="39" left="117" top="1116" width="66" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">F.B</e>
      </input>
      <contract>
        <e type="operand">F</e>
      </contract>
      <result action="symbolic">
        <e type="operand">4</e>
        <e type="operand">3</e>
        <e type="operator" args="2">/</e>
      </result>
    </math>
  </region>
  <region id="40" left="18" top="1224" width="424" height="101" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="2.46662327155825" scale_y="6.52768647333069" scale_z="3.85453358563704" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-172" transpose_y="-35" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">q</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operator" args="2">/</e>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">I</e>
        <e type="operator" args="2">*</e>
      </input>
    </plot>
  </region>
  <region id="41" left="486" top="1368" width="135" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p>Maximalwerte:</p>
    </text>
    <text lang="eng">
      <p>Extremal values</p>
    </text>
  </region>
  <region id="42" left="18" top="1386" width="424" height="101" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="1.45651637562243" scale_y="6.52768647333069" scale_z="2.27606353698281" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-170" transpose_y="0" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">Q</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">I</e>
        <e type="operator" args="2">*</e>
      </input>
    </plot>
  </region>
  <region id="43" left="450" top="1395" width="229" height="45" color="#000000" bgColor="#ffffff" fontSize="10">
    <math fractionType="auto">
      <input>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0.00001</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">Q</e>
      </input>
      <contract>
        <e type="operand">F</e>
      </contract>
      <result action="numeric">
        <e type="operand">0.8333</e>
        <e type="operator" args="1">-</e>
      </result>
    </math>
  </region>
  <region id="44" left="18" top="1548" width="424" height="101" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="5.47580732741344" scale_y="6.46240960859738" scale_z="8.55691401900167" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-169" transpose_y="-11" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">M</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operand" preserve="false" style="unit">l.0</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">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">I</e>
        <e type="operator" args="2">*</e>
      </input>
    </plot>
  </region>
  <region id="45" left="450" top="1557" width="152" height="51" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="function" args="1">M</e>
      </input>
      <contract>
        <e type="operand">F</e>
      </contract>
      <result action="numeric">
        <e type="operand">0.3333</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
      </result>
    </math>
  </region>
  <region id="46" left="18" top="1719" width="424" height="101" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="7.97560304213099" scale_y="6.42893615251815" scale_z="12.4632853934691" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-166" transpose_y="5" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">φ</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand" preserve="false" style="unit">EI</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">/</e>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">I</e>
        <e type="operator" args="2">*</e>
      </input>
    </plot>
  </region>
  <region id="47" left="450" top="1719" width="162" height="58" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">0</e>
        <e type="function" args="1">φ</e>
      </input>
      <contract>
        <e type="operand">F</e>
      </contract>
      <result action="numeric">
        <e type="operand">0.1372</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand" preserve="false" style="unit">EI</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
      </result>
    </math>
  </region>
  <region id="48" left="18" top="1899" width="424" height="101" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="17.0964134341139" scale_y="6.42893615251815" scale_z="26.7161591052768" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-167" transpose_y="7" transpose_z="0">
      <input>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">w</e>
        <e type="operator" args="1">-</e>
        <e type="operand" preserve="false" style="unit">q.0</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">3</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand" preserve="false" style="unit">EI</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">/</e>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">I</e>
        <e type="operator" args="2">*</e>
      </input>
    </plot>
  </region>
  <region id="49" left="450" top="1908" width="310" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x.0</e>
        <e type="function" args="1">φ</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">x.0</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">≡</e>
        <e type="function" preserve="true" args="2">FindRoot</e>
      </input>
      <result action="numeric">
        <e type="operand">0.6771</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operator" args="2">*</e>
      </result>
    </math>
  </region>
  <region id="50" left="450" top="1944" width="162" height="58" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x.0</e>
        <e type="function" args="1">w</e>
      </input>
      <contract>
        <e type="operand">F</e>
      </contract>
      <result action="numeric">
        <e type="operand">0.0593</e>
        <e type="operand" preserve="false" style="unit">l.0</e>
        <e type="operand">3</e>
        <e type="operator" args="2">^</e>
        <e type="operand" preserve="false" style="unit">EI</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">*</e>
      </result>
    </math>
  </region>
</regions>