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  <region id="0" left="18" top="18" width="176" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Integrals with units</p>
    </text>
    <text lang="ger">
      <p bold="true">Integrale mit Maßeinheiten</p>
    </text>
  </region>
  <region id="1" left="504" top="18" width="176" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Chapter Units.sm">Units of Measurement</p>
    </text>
    <text lang="ger">
      <p href="Chapter Units.sm">Maßeinheiten</p>
    </text>
  </region>
  <region id="2" left="504" top="36" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Section Math Integrals.sm">Integrals</p>
    </text>
    <text lang="ger">
      <p href="Section Math Integrals.sm">Integrale</p>
    </text>
  </region>
  <region id="3" left="504" top="54" width="103" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Mathematik.sm">Mathematics</p>
    </text>
    <text lang="ger">
      <p href="Mathematik.sm">Mathematik</p>
    </text>
  </region>
  <region id="4" left="504" top="72" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Handbook.sm">Contents</p>
    </text>
    <text lang="ger">
      <p href="Handbook.sm">Inhalt</p>
    </text>
  </region>
  <region id="5" left="18" top="99" width="677" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>The function int() can handle integrands with units. The integration variable andthe limits are regarded as unit-less.</p>
    </text>
    <text lang="ger">
      <p>Integrale können einheitenbehaftete Integranden haben, die Integrationsvariableselbst und deren Grenzen werden aber als dimensionslos betrachtet.</p>
    </text>
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    <math>
      <input>
        <e type="operand">q.0</e>
        <e type="operand">10</e>
        <e type="operand" style="unit">N</e>
        <e type="operand" style="unit">mm</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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  <region id="7" left="18" top="153" width="108" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">q</e>
        <e type="operand">q.0</e>
        <e type="operand">m</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
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    <text lang="eng">
      <p>The function q(x) expects the argument to be ofdimension length and returns values of dimensionforce per length.</p>
    </text>
    <text lang="ger">
      <p>Die Funktion q(x) erwartet ein Argument der Dimension Länge und liefert Werte der DimensionKraft pro Länge. </p>
    </text>
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    <math>
      <input>
        <e type="operand">m</e>
        <e type="operand">0.2</e>
        <e type="operand" style="unit">N</e>
        <e type="operand" style="unit">mm</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="operator" args="2">:</e>
      </input>
    </math>
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  <region id="10" left="135" top="180" width="118" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">2</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">q</e>
      </input>
      <contract>
        <e type="operand" style="unit">N</e>
        <e type="operand" style="unit">mm</e>
        <e type="operator" args="2">/</e>
      </contract>
      <result action="numeric">
        <e type="operand">410</e>
      </result>
    </math>
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    <text lang="eng">
      <p>The function is to be integrated over the intervalfrom 1 to 3m.</p>
    </text>
    <text lang="ger">
      <p>Die Funktion soll im Bereich von 1 bis 3m integriertwerden.</p>
    </text>
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  <region id="12" left="18" top="243" width="66" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x.1</e>
        <e type="operand">1</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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  <region id="13" left="99" top="243" width="66" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x.2</e>
        <e type="operand">3</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
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      <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" style="unit">N</e>
        <e type="operand" style="unit">mm</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">/</e>
        <e type="operand">x</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x.1</e>
        <e type="operator" args="2">&gt;</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x.2</e>
        <e type="operator" args="2">&lt;</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
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  <region id="15" left="288" top="279" width="423" height="72" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>The plot function provides unit-less x values andexpects unit-less expression values. Therefore thex is multiplied by m and the result is dividedby N/mm</p>
    </text>
    <text lang="ger">
      <p>Für die Darstellung muss die Funktion durch die Ergebniseinheit geteilt werden und x mit dererwarteten Einheit des Funktionsarguments multipliziert werden.</p>
    </text>
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  <region id="16" left="18" top="459" width="119" height="82" color="#000000" bgColor="#ffffff" fontSize="10">
    <math error="2">
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">q</e>
        <e type="operand">x</e>
        <e type="operand">x.1</e>
        <e type="operand">x.2</e>
        <e type="function" preserve="true" args="4">int</e>
      </input>
      <result action="numeric">
        <e type="operand">#</e>
      </result>
    </math>
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  <region id="17" left="288" top="459" width="437" height="56" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>Integration with int() fails, because the units of the limits are ignored and the function is called with a unit-less argument instead of a length value.</p>
    </text>
    <text lang="ger">
      <p>Die Integration mit int() scheitert, weil dieMaßeinheiten der Integrationsgrenzen ignoriertwerden und die Integrationsvariable dimensionslosist. </p>
    </text>
  </region>
  <region id="18" left="18" top="567" width="290" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p underline="true">Option 1: Use Maple Wrapper plugin</p>
    </text>
    <text lang="ger">
      <p underline="true">Benutzung des Plugins Maple Wrapper</p>
    </text>
  </region>
  <region id="19" left="18" top="594" width="199" height="84" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">q</e>
        <e type="operand">x</e>
        <e type="operand">x.1</e>
        <e type="operand">x.2</e>
        <e type="function" preserve="true" args="4">int</e>
        <e type="function" preserve="true" args="1">maple</e>
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      <contract>
        <e type="operand" style="unit">kN</e>
      </contract>
      <result action="symbolic">
        <e type="operand">820</e>
      </result>
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  </region>
  <region id="20" left="288" top="594" width="430" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>The function maple() can handle units in integrals.</p>
    </text>
    <text lang="ger">
      <p>Die Funktion maple() aus dem Plugin MapleWrapper kommt mit Maßeinheiten zurecht.</p>
    </text>
  </region>
  <region id="21" left="288" top="639" width="70" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p href="maple.sm">maple()</p>
    </text>
  </region>
  <region id="22" left="18" top="675" width="373" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p underline="true">Option 2: Transform the integration variable</p>
    </text>
    <text lang="ger">
      <p underline="true">Transformation auf dimensionslose Integrationsvariable</p>
    </text>
  </region>
  <region id="23" left="18" top="711" width="129" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand" preserve="false" style="unit">LE</e>
        <e type="operand">x.2</e>
        <e type="operand">x.1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="1">UoM</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="24" left="288" top="711" width="439" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>The integration variable can be made unit-less usingthe units of the integration limits.</p>
    </text>
    <text lang="ger">
      <p>Das Integral kann mit Hilfe der Maßeinheiten derIntegrationsgrenzen in dimensionslose Form über-führt werden. </p>
    </text>
  </region>
  <region id="25" left="18" top="738" width="198" height="116" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand" preserve="false" style="unit">LE</e>
        <e type="operand">x</e>
        <e type="operand" preserve="false" style="unit">LE</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="1">q</e>
        <e type="operand">x</e>
        <e type="operand">x.1</e>
        <e type="operand" preserve="false" style="unit">LE</e>
        <e type="operator" args="2">/</e>
        <e type="operand">x.2</e>
        <e type="operand" preserve="false" style="unit">LE</e>
        <e type="operator" args="2">/</e>
        <e type="function" preserve="true" args="4">int</e>
        <e type="operator" args="2">*</e>
      </input>
      <contract>
        <e type="operand" style="unit">kN</e>
      </contract>
      <result action="numeric">
        <e type="operand">820</e>
      </result>
    </math>
  </region>
  <region id="26" left="288" top="774" width="53" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p href="UoM.sm">UoM()</p>
    </text>
  </region>
  <region id="27" left="18" top="855" width="430" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p underline="true">This could be a function for unit-proof integration</p>
    </text>
    <text lang="ger">
      <p underline="true">So könnte eine einheitensichere Integrationsfunktion definiert werden</p>
    </text>
  </region>
  <region id="28" left="27" top="891" width="471" height="204" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">f#</e>
        <e type="operand">x#</e>
        <e type="operand">a#</e>
        <e type="operand">b#</e>
        <e type="function" args="4">Int</e>
        <e type="operand">u#</e>
        <e type="operand">b#</e>
        <e type="operand">a#</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="1">UoM</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sf#</e>
        <e type="operand">f#</e>
        <e type="function" preserve="true" args="1">num2str</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sx#</e>
        <e type="operand">x#</e>
        <e type="function" preserve="true" args="1">num2str</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sxu#</e>
        <e type="operand">x#</e>
        <e type="operand">u#</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">num2str</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ft#</e>
        <e type="operand">sf#</e>
        <e type="operand">sx#</e>
        <e type="operand">sxu#</e>
        <e type="function" preserve="true" args="3">strrep</e>
        <e type="function" preserve="true" args="1">str2num</e>
        <e type="operator" args="2">:</e>
        <e type="operand">u#</e>
        <e type="operand">ft#</e>
        <e type="operand">x#</e>
        <e type="operand">a#</e>
        <e type="operand">u#</e>
        <e type="operator" args="2">/</e>
        <e type="operand">b#</e>
        <e type="operand">u#</e>
        <e type="operator" args="2">/</e>
        <e type="function" preserve="true" args="4">int</e>
        <e type="operator" args="2">*</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="29" left="513" top="900" width="224" height="88" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>Here, the variable x# inexpression f# is replacedby the product of x# timesthe unit of the intervallsize b#-a#</p>
    </text>
    <text lang="ger">
      <p>Hier wird die Variablex# im Ausdruck f# durchdas Produkt von x# mal der Maßeinheit der Intervallbreite b#-a#ersetzt.</p>
    </text>
  </region>
  <region id="30" left="36" top="1098" width="227" height="35" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">q</e>
        <e type="operand">x</e>
        <e type="operand">x.1</e>
        <e type="operand">x.2</e>
        <e type="function" args="4">Int</e>
      </input>
      <contract>
        <e type="operand" style="unit">kN</e>
      </contract>
      <result action="numeric">
        <e type="operand">820</e>
      </result>
    </math>
  </region>
  <region id="31" left="36" top="1125" width="248" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand" style="unit">g</e>
        <e type="operand">t</e>
        <e type="operator" args="2">*</e>
        <e type="operand">t</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand" style="unit">s</e>
        <e type="operator" args="2">*</e>
        <e type="function" args="4">Int</e>
      </input>
      <result action="numeric">
        <e type="operand">4.9033</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
      </result>
    </math>
  </region>
  <region id="32" left="18" top="1188" width="176" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Chapter Units.sm">Units of Measurement</p>
    </text>
    <text lang="ger">
      <p href="Chapter Units.sm">Maßeinheiten</p>
    </text>
  </region>
  <region id="33" left="18" top="1206" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Section Math Integrals.sm">Integrals</p>
    </text>
    <text lang="ger">
      <p href="Section Math Integrals.sm">Integrale</p>
    </text>
  </region>
  <region id="34" left="18" top="1224" width="103" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Mathematik.sm">Mathematics</p>
    </text>
    <text lang="ger">
      <p href="Mathematik.sm">Mathematik</p>
    </text>
  </region>
  <region id="35" left="18" top="1242" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Handbook.sm">Contents</p>
    </text>
    <text lang="ger">
      <p href="Handbook.sm">Inhalt</p>
    </text>
  </region>
  <region id="36" left="18" top="1287" width="188" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p italic="true">M. Kraska, 2013-08-11 </p>
    </text>
  </region>
</regions>