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      <margins left="39" right="39" top="39" bottom="39" />
      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
      <footer alignment="Center" color="#a9a9a9">&amp;[PAGENUM] / &amp;[COUNT]</footer>
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  <region id="0" left="18" top="18" width="151" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">String Processing</p>
    </text>
    <text lang="ger">
      <p bold="true">Zeichenketten</p>
    </text>
  </region>
  <region id="1" left="576" top="27" width="103" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Kapitel Programmierung.sm">Programming</p>
    </text>
    <text lang="ger">
      <p href="Kapitel Programmierung.sm">Programmierung</p>
    </text>
  </region>
  <region id="2" left="576" top="45" 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="3" left="18" top="54" width="173" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Concatenate strings </p>
    </text>
    <text lang="ger">
      <p bold="true">Zusammenfügen</p>
    </text>
  </region>
  <region id="4" top="72" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="5" left="27" top="81" width="344" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abc</e>
          <e type="operand" style="string">def</e>
          <e type="operand" style="string">ghi</e>
          <e type="function" preserve="true" args="3">concat</e>
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        <result action="numeric">
          <e type="operand" style="string">abcdefghi</e>
        </result>
      </math>
    </region>
    <region id="6" left="576" top="90" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="concat.sm">concat()</p>
      </text>
    </region>
    <region id="7" left="27" top="108" width="85" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">s.1</e>
          <e type="operand" style="string">abc</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="8" left="126" top="108" width="85" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">s.2</e>
          <e type="operand" style="string">def</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="9" left="225" top="108" width="214" height="34" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">s.1</e>
          <e type="operand">s.2</e>
          <e type="function" preserve="true" args="2">concat</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">abcdef</e>
        </result>
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    <region id="10" top="135" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="11" left="18" top="144" width="127" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Get substrings</p>
    </text>
    <text lang="ger">
      <p bold="true">Teilketten herausgreifen</p>
    </text>
  </region>
  <region id="12" top="162" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="13" left="27" top="180" width="353" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="2">substr</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">efghijkdef</e>
        </result>
      </math>
    </region>
    <region id="14" left="576" top="180" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="substr.sm">substr()</p>
      </text>
    </region>
    <region id="15" left="27" top="207" width="319" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand">5</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="3">substr</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">efg</e>
        </result>
      </math>
    </region>
    <region id="16" top="225" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="17" left="18" top="234" width="241" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Replace or delete substrings</p>
    </text>
    <text lang="ger">
      <p bold="true">Ersetzen oder Löschen von Teilketten</p>
    </text>
  </region>
  <region id="18" top="252" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="19" left="27" top="270" width="526" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand" style="string">def</e>
          <e type="operand" style="string">_DEF_</e>
          <e type="function" preserve="true" args="3">strrep</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">abc_DEF_ghijk_DEF_</e>
        </result>
      </math>
    </region>
    <region id="20" left="576" top="270" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="strrep.sm">strrep()</p>
      </text>
    </region>
    <region id="21" left="27" top="297" width="401" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand" style="string">def</e>
          <e type="operand" style="string" />
          <e type="function" preserve="true" args="3">strrep</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">abcghijk</e>
        </result>
      </math>
    </region>
    <region id="22" top="315" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="23" left="18" top="324" width="135" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Find substrings</p>
    </text>
    <text lang="ger">
      <p bold="true">Teilketten suchen</p>
    </text>
  </region>
  <region id="24" top="342" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="25" left="9" top="351" width="687" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>The function findstr() returns a vector with start positions of the substring in a 
given string. Returns -1 if the substring was not found</p>
      </text>
      <text lang="ger">
        <p>Die Funktion findstr() liefert einen Vektor mit den Anfangspositionen der Teilkette
in einer gegebenen Zeichenkette. Wenn die Teilkette nicht vorkommt, 
wird -1 zurückgegeben.</p>
      </text>
    </region>
    <region id="26" left="27" top="405" width="321" height="44" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand" style="string">def</e>
          <e type="function" preserve="true" args="2">findstr</e>
        </input>
        <result action="numeric">
          <e type="operand">4</e>
          <e type="operand">12</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">mat</e>
        </result>
      </math>
    </region>
    <region id="27" left="576" top="414" width="86" height="24" color="#c0c0c0" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="findstr.sm">findstr()</p>
      </text>
    </region>
    <region id="28" left="27" top="450" width="305" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand" style="string">ab</e>
          <e type="function" preserve="true" args="2">findstr</e>
        </input>
        <result action="numeric">
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">mat</e>
        </result>
      </math>
    </region>
    <region id="29" left="27" top="486" width="305" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abcdefghijkdef</e>
          <e type="operand" style="string">xy</e>
          <e type="function" preserve="true" args="2">findstr</e>
        </input>
        <result action="numeric">
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
        </result>
      </math>
    </region>
    <region id="30" top="513" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="31" left="18" top="522" width="158" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Length of a string</p>
    </text>
    <text lang="ger">
      <p bold="true">Länge einer Zeichenkette</p>
    </text>
  </region>
  <region id="32" top="540" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="33" left="27" top="558" width="164" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">12345</e>
          <e type="function" preserve="true" args="1">strlen</e>
        </input>
        <result action="numeric">
          <e type="operand">5</e>
        </result>
      </math>
    </region>
    <region id="34" left="576" top="558" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="strlen.sm">strlen()</p>
      </text>
    </region>
    <region id="35" top="576" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="36" left="18" top="585" width="191" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Test if type is string</p>
    </text>
    <text lang="ger">
      <p bold="true">Prüfen, ob eine Zeichenkette vorliegt</p>
    </text>
  </region>
  <region id="37" top="603" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="38" left="27" top="621" width="164" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abc</e>
          <e type="function" preserve="true" args="1">IsString</e>
        </input>
        <result action="numeric">
          <e type="operand">1</e>
        </result>
      </math>
    </region>
    <region id="39" left="576" top="621" width="94" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="IsString.sm">IsString()</p>
      </text>
    </region>
    <region id="40" left="27" top="648" width="153" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="bracket">(</e>
          <e type="function" preserve="true" args="1">IsString</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="41" left="27" top="675" width="173" height="46" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abc</e>
          <e type="operand" style="string">1</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">sys</e>
          <e type="function" preserve="true" args="1">IsString</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="42" left="198" top="684" width="314" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>expression is of type list ("system")</p>
      </text>
      <text lang="ger">
        <p>Ausdruck ist vom Typ "Liste" (system)</p>
      </text>
    </region>
    <region id="43" top="711" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="44" left="18" top="720" width="259" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Convert expressions to strings</p>
    </text>
    <text lang="ger">
      <p bold="true">Ausdruck in Zeichenkette umwandeln</p>
    </text>
  </region>
  <region id="45" top="738" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="46" left="27" top="747" width="190" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="2">
        <input>
          <e type="operand">2.3</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="symbolic">
          <e type="operand" style="string">23/10</e>
        </result>
      </math>
    </region>
    <region id="47" left="333" top="756" width="407" height="56" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>The expressions are evaluated symbolically and 
converted into the internal text representation.
Number format cannot be specified.</p>
      </text>
      <text lang="ger">
        <p>Die Ausdrücke werden symbolisch ausgewertet
und in die interne Textdarstellung 
umgewandelt. Man kann kein Format für die
Zahlen vorgeben.</p>
      </text>
    </region>
    <region id="48" left="27" top="774" width="177" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="2">
        <input>
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operator" args="2">+</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">a+b</e>
        </result>
      </math>
    </region>
    <region id="49" left="27" top="801" width="273" height="46" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="2">
        <input>
          <e type="operand" style="string">a</e>
          <e type="operand">π</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">sys</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">sys("a",π,2,1)</e>
        </result>
      </math>
    </region>
    <region id="50" left="576" top="828" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="num2str.sm">num2str()</p>
      </text>
    </region>
    <region id="51" left="27" top="846" width="288" height="46" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="2">
        <input>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="operand">3</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="6">mat</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">mat(1,2,3,4,2,2)</e>
        </result>
      </math>
    </region>
    <region id="52" left="27" top="891" width="262" height="42" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="2">
        <input>
          <e type="operand">x</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">x</e>
          <e type="function" preserve="true" args="2">int</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">int(x^2,x)</e>
        </result>
      </math>
    </region>
    <region id="53" top="936" color="#000000" bgColor="#ffffff">
      <area collapsed="true">
        <title lang="ger">
          <p>num2str cannot handle strings with spaces</p>
        </title>
      </area>
      <region id="54" left="27" top="954" width="146" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="2">
          <input>
            <e type="operand">c</e>
            <e type="operand" style="string">a b</e>
            <e type="function" preserve="true" args="1">num2str</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="55" left="189" top="954" width="53" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
        <math error="2">
          <input>
            <e type="operand">c</e>
          </input>
          <result action="numeric">
            <e type="operand">#</e>
          </result>
        </math>
      </region>
      <region id="56" left="27" top="981" width="45" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
        <math error="2">
          <input>
            <e type="operand"> </e>
          </input>
          <result action="numeric">
            <e type="operand">#</e>
          </result>
        </math>
      </region>
      <region id="57" top="999" color="#000000" bgColor="#ffffff">
        <area terminator="true" />
      </region>
    </region>
    <region id="58" top="1026" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="59" left="18" top="1035" width="184" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Formatting of numbers</p>
    </text>
    <text lang="ger">
      <p bold="true">Zahlenformatierung</p>
    </text>
  </region>
  <region id="60" top="1053" color="#000000" bgColor="#ffffff">
    <area collapsed="true" />
    <region id="61" left="9" top="1071" width="711" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>The function num2str() ignores all display settings for number formatting. Therefore,
it is usually not appropriate for generation of labels in plots.</p>
      </text>
      <text lang="ger">
        <p>Die Funktion num2str() ignoriert alle Einstellungen für die Ergebnisformatierung. 
Die resultierende Zahlendarstellung ist in der Regel für Beschriftungszwecke ungeeignet:</p>
      </text>
    </region>
    <region id="62" left="27" top="1116" width="214" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">12.34</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">617/50</e>
        </result>
      </math>
    </region>
    <region id="63" left="9" top="1152" width="693" height="56" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>The function format() shown here represents numbers in decimal form  with n decimal 
places after the delimiter d. If n is negative, the number is rounded to the 
corresponding power of 10.</p>
      </text>
      <text lang="ger">
        <p>Die hier vorgestellte Funktion format() stellt Zahlen in Dezimalschreibweise mit auf 
n Stellen nach dem Komma gerundet dar. Bei negativem n wird wird auf entsprechende 
Potenzen von 10 gerundet.</p>
      </text>
    </region>
    <region id="64" left="27" top="1215" width="599" height="194" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">x</e>
          <e type="operand">n</e>
          <e type="operand">d</e>
          <e type="function" args="3">format</e>
          <e type="operand">rs</e>
          <e type="operand">x</e>
          <e type="operand">10</e>
          <e type="operand">n</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">round</e>
          <e type="function" preserve="true" args="1">eval</e>
          <e type="function" preserve="true" args="1">num2str</e>
          <e type="operator" args="2">:</e>
          <e type="operand">l</e>
          <e type="operand">rs</e>
          <e type="function" preserve="true" args="1">strlen</e>
          <e type="operator" args="2">:</e>
          <e type="operand">n</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">rs</e>
          <e type="operand">n</e>
          <e type="operand">0</e>
          <e type="operator" args="2">&gt;</e>
          <e type="operand">rs</e>
          <e type="operand">1</e>
          <e type="operand">l</e>
          <e type="operand">n</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="3">substr</e>
          <e type="operand">d</e>
          <e type="operand">rs</e>
          <e type="operand">l</e>
          <e type="operand">n</e>
          <e type="operator" args="2">-</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operand">n</e>
          <e type="function" preserve="true" args="3">substr</e>
          <e type="function" preserve="true" args="3">concat</e>
          <e type="operand">10</e>
          <e type="operand">n</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="bracket">(</e>
          <e type="operand">x</e>
          <e type="operand">10</e>
          <e type="operand">n</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">round</e>
          <e type="operator" args="2">*</e>
          <e type="function" preserve="true" args="1">eval</e>
          <e type="function" preserve="true" args="1">num2str</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="65" left="27" top="1431" width="221" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.34</e>
          <e type="operand">2</e>
          <e type="operator" args="1">-</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="66" left="27" top="1449" width="221" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.34</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="67" left="27" top="1467" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.34</e>
          <e type="operand">0</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="68" left="27" top="1485" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.34</e>
          <e type="operand">1</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="69" left="27" top="1503" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.34</e>
          <e type="operand">2</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="70" left="27" top="1521" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.34</e>
          <e type="operand">3</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="71" left="27" top="1539" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.35</e>
          <e type="operand">1</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="72" left="27" top="1557" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.65</e>
          <e type="operand">1</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="73" left="27" top="1575" width="212" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="9">
        <input>
          <e type="operand">12.55</e>
          <e type="operand">1</e>
          <e type="operand" style="string">,</e>
          <e type="function" args="3">format</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
    <region id="74" top="1602" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="75" left="18" top="1611" width="259" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Convert strings to expressions</p>
    </text>
    <text lang="ger">
      <p bold="true">Zeichenketten in Ausdrücke umwandeln</p>
    </text>
  </region>
  <region id="76" top="1629" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="77" left="27" top="1638" width="355" height="48" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">abc</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">sys</e>
          <e type="function" preserve="true" args="1">num2str</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">sys("abc",sqrt(2),2,1)</e>
        </result>
      </math>
    </region>
    <region id="78" left="576" top="1656" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="str2num.sm">str2num()</p>
      </text>
    </region>
    <region id="79" left="27" top="1683" width="277" height="50" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Left" lang="eng">
          <p>symbolic optimization</p>
        </description>
        <description active="true" position="Left" lang="ger">
          <p>symbolische Optimierung</p>
        </description>
        <input>
          <e type="operand" style="string">abc</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">sys</e>
          <e type="function" preserve="true" args="1">num2str</e>
          <e type="function" preserve="true" args="1">str2num</e>
        </input>
        <result action="symbolic">
          <e type="operand" style="string">abc</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">sys</e>
        </result>
      </math>
    </region>
    <region id="80" left="27" top="1728" width="298" height="36" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Left" lang="eng">
          <p>symbolic optimization</p>
        </description>
        <description active="true" position="Left" lang="ger">
          <p>symbolische Optimierung</p>
        </description>
        <input>
          <e type="operand" style="string">sqrt(x^2+y^2)</e>
          <e type="function" preserve="true" args="1">str2num</e>
        </input>
        <result action="symbolic">
          <e type="operand">x</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">y</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="function" preserve="true" args="1">sqrt</e>
        </result>
      </math>
    </region>
    <region id="81" top="1764" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="82" left="18" top="1773" width="152" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Description texts</p>
    </text>
    <text lang="ger">
      <p bold="true">Beschreibungstexte </p>
    </text>
  </region>
  <region id="83" top="1791" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="84" left="576" top="1809" width="119" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="description.sm">description()</p>
      </text>
    </region>
    <region id="85" left="27" top="1818" width="68" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Top" lang="eng">
          <p>Here we define a</p>
        </description>
        <description active="true" position="Top" lang="ger">
          <p>Hier wird a definiert</p>
        </description>
        <input>
          <e type="operand">a</e>
          <e type="operand">1.32</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="86" left="423" top="1836" width="324" height="56" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>The description text of a math region
is transferred to any variable defined
therein as attribute "description"</p>
      </text>
      <text lang="ger">
        <p>Der Beschreibungstext eines Formel-
bereichs wird als Attribut auf die
darin definierten Größen übertragen.</p>
      </text>
    </region>
    <region id="87" left="27" top="1863" width="296" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">a</e>
          <e type="function" preserve="true" args="1">description</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">Here we define a</e>
        </result>
      </math>
    </region>
    <region id="88" left="27" top="1890" width="91" height="44" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <description active="true" position="Top" lang="eng">
          <p>Four definitions at once</p>
        </description>
        <description active="true" position="Top" lang="ger">
          <p>Vier Definitionen auf einmal</p>
        </description>
        <input>
          <e type="operand">a</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">3</e>
          <e type="operator" args="2">:</e>
          <e type="operand">d</e>
          <e type="operand">4</e>
          <e type="operator" args="2">:</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="6">mat</e>
        </input>
      </math>
    </region>
    <region id="89" left="423" top="1899" width="325" height="72" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>The function description() returns the
description text of a variable or 
function as string according to the 
current GUI language setting. </p>
      </text>
      <text lang="ger">
        <p>Die Funktion description() liefert den
zu einem Bezeichner gehörenden
Beschreibungstext als Zeichenkette
in der jeweils eingestellten GUI-
Sprache.</p>
      </text>
    </region>
    <region id="90" left="27" top="1962" width="362" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">a</e>
          <e type="function" preserve="true" args="1">description</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">Four definitions at once</e>
        </result>
      </math>
    </region>
    <region id="91" left="27" top="1989" width="362" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">b</e>
          <e type="function" preserve="true" args="1">description</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">Four definitions at once</e>
        </result>
      </math>
    </region>
    <region id="92" top="2007" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="93" left="18" top="2016" width="176" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p bold="true">Upper and lower case</p>
    </text>
    <text lang="ger">
      <p bold="true">Groß- und Kleinschreibung</p>
    </text>
  </region>
  <region id="94" top="2034" color="#000000" bgColor="#ffffff">
    <area collapsed="false" />
    <region id="95" left="18" top="2043" width="724" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>These functions are defined in the plugin Custom Functions. In contrast to the built-in
string functions, they can handle matrices and lists which contain strings.</p>
      </text>
      <text lang="ger">
        <p>Diese Funktionen sind im Plugin Custom Functions enthalten. Anders als die 
Standardfunktionen für Zeichenketten können sie auch auf Matrizen und Listen 
angewendet werden, die Zeichenketten enthalten.</p>
      </text>
    </region>
    <region id="96" left="576" top="2097" width="111" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="strtolower.sm">strtolower()</p>
      </text>
    </region>
    <region id="97" left="18" top="2106" width="266" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Convert everything to lowercase</p>
      </text>
      <text lang="ger">
        <p>Alles in Kleinbuchstaben umwandeln</p>
      </text>
    </region>
    <region id="98" left="576" top="2115" width="111" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="strtoupper.sm">strtoupper()</p>
      </text>
    </region>
    <region id="99" left="27" top="2133" width="527" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">the QUICK bRoWn FoX...</e>
          <e type="function" preserve="true" args="1">strtolower</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">the quick brown fox...</e>
        </result>
      </math>
    </region>
    <region id="100" left="576" top="2133" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="ucfirst.sm">ucfirst()</p>
      </text>
    </region>
    <region id="101" left="576" top="2151" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="ucwords.sm">ucwords()</p>
      </text>
    </region>
    <region id="102" left="27" top="2160" width="545" height="66" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">the QUICK bRoWn FoX...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">another sTRINg</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">mat</e>
          <e type="function" preserve="true" args="1">strtolower</e>
        </input>
        <result action="symbolic">
          <e type="operand" style="string">the quick brown fox...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">another string</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">mat</e>
        </result>
      </math>
    </region>
    <region id="103" left="576" top="2187" width="143" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ger">
        <p href="Plugin Custom Functions.sm">Custom Functions</p>
      </text>
    </region>
    <region id="104" left="18" top="2232" width="266" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Convert everything to uppercase</p>
      </text>
      <text lang="ger">
        <p>Alles in Großbuchstaben umwandeln</p>
      </text>
    </region>
    <region id="105" left="27" top="2259" width="527" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">the QUICK bRoWn FoX...</e>
          <e type="function" preserve="true" args="1">strtoupper</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">THE QUICK BROWN FOX...</e>
        </result>
      </math>
    </region>
    <region id="106" left="27" top="2295" width="545" height="66" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">the QUICK bRoWn FoX...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">another sTRINg</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">mat</e>
          <e type="function" preserve="true" args="1">strtoupper</e>
        </input>
        <result action="symbolic">
          <e type="operand" style="string">THE QUICK BROWN FOX...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">ANOTHER STRING</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">mat</e>
        </result>
      </math>
    </region>
    <region id="107" left="18" top="2367" width="307" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Convert first character to uppercase</p>
      </text>
      <text lang="ger">
        <p>Erstes Zeichen in Großbuchstaben umwandeln</p>
      </text>
    </region>
    <region id="108" left="27" top="2394" width="503" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">the QUICK bRoWn FoX...</e>
          <e type="function" preserve="true" args="1">ucfirst</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">The QUICK bRoWn FoX...</e>
        </result>
      </math>
    </region>
    <region id="109" left="27" top="2430" width="521" height="66" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">The QUICK bRoWn FoX...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">another sTRINg</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">mat</e>
          <e type="function" preserve="true" args="1">ucfirst</e>
        </input>
        <result action="symbolic">
          <e type="operand" style="string">The QUICK bRoWn FoX...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">Another sTRINg</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">mat</e>
        </result>
      </math>
    </region>
    <region id="110" left="18" top="2502" width="454" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Convert the first character in every word to uppercase</p>
      </text>
      <text lang="ger">
        <p>Jeden Wortanfang in Großbuchstaben umwandeln</p>
      </text>
    </region>
    <region id="111" left="27" top="2529" width="503" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand" style="string">the QUICK bRoWn FoX...</e>
          <e type="function" preserve="true" args="1">ucwords</e>
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          <e type="operand" style="string">The QUICK BRoWn FoX...</e>
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          <e type="operand" style="string">The QUICK bRoWn FoX...</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operand" style="string">another sTRINg</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
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          <e type="operand" style="string">The QUICK BRoWn FoX...</e>
          <e type="operand">2</e>
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    <region id="113" top="2628" color="#000000" bgColor="#ffffff">
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  <region id="114" left="18" top="2664" width="103" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Kapitel Programmierung.sm">Programming</p>
    </text>
    <text lang="ger">
      <p href="Kapitel Programmierung.sm">Programmierung</p>
    </text>
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  <region id="115" left="18" top="2682" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p href="Handbook.sm">Contents</p>
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    <text lang="ger">
      <p href="Handbook.sm">Inhalt</p>
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  <region id="116" left="18" top="2718" width="450" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="ger">
      <p italic="true">$Author: mkraska $
$Date: 2013-08-24 15:41:54 +0200 (Sa, 24. Aug 2013) $ </p>
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