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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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      <p bold="true">Tridiagonal systems</p>
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        <p>Create a user tridiagonal matrix [adapted Valery Ochov]</p>
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        <p>Solve a user tridiagonal vector system [adapted]. If you don't need more matrix manipulation, youcan solve the system directly. [Mathsoft Staff]</p>
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    <text lang="eng">
      <p>====================== Recast from Smath Staff [Original]=======================</p>
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    <text lang="rus">
      <p bold="true">Решение трёхдиагональной системы уравненийметодом прогонки (алгоритм Томаса)</p>
    </text>
    <text lang="ind">
      <p bold="true">Penyelesaian persamaan simultan dengan Matriks Tridiagonal(Algoritma Thomas)</p>
    </text>
    <text lang="eng">
      <p bold="true">Solving for the 'x vector' given the tridiagonal matrix and vector 'd' (Thomas algorithm).</p>
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        <e type="operand">d</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">d</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">.</e>
        <e type="operand">d</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">≡</e>
      </input>
    </math>
  </region>
  <region id="15" left="423" top="972" width="56" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">A</e>
        <e type="operand">x</e>
        <e type="operator" args="2">*</e>
        <e type="operand">d</e>
        <e type="operator" args="2">≡</e>
      </input>
    </math>
  </region>
  <region id="16" left="495" top="972" width="41" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">x</e>
        <e type="operand">?</e>
        <e type="operator" args="2">≡</e>
      </input>
    </math>
  </region>
  <region id="17" left="18" top="1053" width="356" height="468" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math>
      <input>
        <e type="operand">A</e>
        <e type="operand">d</e>
        <e type="function" args="2">solveTridiag</e>
        <e type="operand">n</e>
        <e type="operand">A</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">2</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">a</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">A</e>
        <e type="operand">i</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">b</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">A</e>
        <e type="operand">i</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">n</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">c</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">A</e>
        <e type="operand">i</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">β</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">b</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">γ</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">d</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">β</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">2</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">β</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">b</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">a</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">c</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">β</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">:</e>
        <e type="operand">γ</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">d</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">a</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">γ</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">β</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">x</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">γ</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">n</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">1</e>
        <e type="operand">n</e>
        <e type="operand">2</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="3">range</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">γ</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">c</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">β</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">x</e>
        <e type="operand">10</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="12">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="18" left="387" top="1053" width="102" height="24" border="true" color="#000000" bgColor="#dddddd" fontSize="10">
    <text lang="rus">
      <p>Начальные данные:</p>
    </text>
    <text lang="ind">
      <p>Data masukan:</p>
    </text>
    <text lang="eng">
      <p>Input data:</p>
    </text>
  </region>
  <region id="19" left="387" top="1089" width="137" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">A</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="18">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="20" left="558" top="1089" width="53" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">d</e>
        <e type="operand">1</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" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="21" left="387" top="1224" width="215" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">A</e>
        <e type="operand">d</e>
        <e type="function" args="2">solveTridiag</e>
      </input>
      <result action="numeric">
        <e type="operand">0.8</e>
        <e type="operand">0.6</e>
        <e type="operand">0.4</e>
        <e type="operand">0.2</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
      </result>
    </math>
  </region>
  <region id="22" left="387" top="1323" width="116" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>Using built-in functionality of SMath Studio</p>
      </description>
      <input>
        <e type="operand">A</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operand">d</e>
        <e type="operator" args="2">*</e>
      </input>
      <result action="numeric">
        <e type="operand">0.8</e>
        <e type="operand">0.6</e>
        <e type="operand">0.4</e>
        <e type="operand">0.2</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
      </result>
    </math>
  </region>
  <region id="23" left="387" top="1440" width="200" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">A</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
      </input>
      <result action="numeric">
        <e type="operand">0.8</e>
        <e type="operand">0.6</e>
        <e type="operand">0.4</e>
        <e type="operand">0.2</e>
        <e type="operand">0.6</e>
        <e type="operand">1.2</e>
        <e type="operand">0.8</e>
        <e type="operand">0.4</e>
        <e type="operand">0.4</e>
        <e type="operand">0.8</e>
        <e type="operand">1.2</e>
        <e type="operand">0.6</e>
        <e type="operand">0.2</e>
        <e type="operand">0.4</e>
        <e type="operand">0.6</e>
        <e type="operand">0.8</e>
        <e type="operand">4</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="18">mat</e>
      </result>
    </math>
  </region>
  <region id="24" top="1548" color="#000000" bgColor="#ffe1e1">
    <area single="true" collapsed="true" />
  </region>
</regions>