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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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  <region id="0" left="0" top="9" width="767" height="28" color="#804040" bgColor="#ffffff" fontSize="12">
    <text lang="rus">
      <p bold="true">The tube in the form of a line of intersection of the cylinder and the torus</p>
    </text>
  </region>
  <region id="1" left="9" top="54" width="43" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">R</e>
        <e type="operand">2</e>
        <e type="operator" args="2">:</e>
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    <math>
      <input>
        <e type="operand">r</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
      </input>
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    <math>
      <description active="true" position="Right" lang="rus">
        <p>the radius of the tube</p>
      </description>
      <input>
        <e type="operand">R1</e>
        <e type="operand">0.1</e>
        <e type="operator" args="2">:</e>
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  <region id="4" left="18" top="108" width="225" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p>Kоординаты начальных точек</p>
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    <math>
      <input>
        <e type="operand">X0</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="operand">7</e>
        <e type="operator" args="2">/</e>
        <e type="operand">6</e>
        <e type="operand">7</e>
        <e type="operator" args="2">/</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="1">sqrt</e>
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        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
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    <math>
      <input>
        <e type="operand">X0</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="operand">7</e>
        <e type="operator" args="2">/</e>
        <e type="operand">6</e>
        <e type="operand">7</e>
        <e type="operator" args="2">/</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
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    <math>
      <input>
        <e type="operand">X0</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="operand">7</e>
        <e type="operator" args="2">/</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="operator" args="2">*</e>
        <e type="operand">1</e>
        <e type="operand">7</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="1">sqrt</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="rus">
      <p>Уравнения:</p>
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    <math>
      <description active="true" position="Right" lang="rus">
        <p>Уравнение сферы </p>
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      <input>
        <e type="operand">f</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">r</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">x</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">R</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
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    <math>
      <description active="true" position="Right" lang="rus">
        <p>Уравнение тора </p>
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        <e type="operand">f</e>
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        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">x</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">R</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">r</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand">4</e>
        <e type="operand">R</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
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        <e type="operator" args="2">:</e>
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  <region id="11" top="360" color="#000000" bgColor="#ffffff">
    <area collapsed="true">
      <title lang="rus">
        <p>Dragilev's Method</p>
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      <math>
        <input>
          <e type="operand">X0</e>
          <e type="operand">tmin</e>
          <e type="operand">tmax</e>
          <e type="operand">N</e>
          <e type="function" args="4">D</e>
          <e type="operand">n</e>
          <e type="operand">f</e>
          <e type="function" preserve="true" args="1">rows</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">f</e>
          <e type="operand">n</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">0</e>
          <e type="operator" args="2">:</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
          <e type="operand">j</e>
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          <e type="operand">j</e>
          <e type="operand">j</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="operand">n</e>
          <e type="operator" args="2">≤</e>
          <e type="operand">k</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">m</e>
          <e type="operand">j</e>
          <e type="operand">k</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operand">f</e>
          <e type="operand">j</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="function" preserve="true" args="2">diff</e>
          <e type="operator" args="2">:</e>
          <e type="function" preserve="true" args="4">for</e>
          <e type="function" preserve="true" args="4">for</e>
          <e type="operand" style="string">Матрица Якоби</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="4">line</e>
          <e type="operand">x</e>
          <e type="function" args="1">Jacobi</e>
          <e type="operand">m</e>
          <e type="operator" args="2">:</e>
          <e type="operand" style="string">Матрица  правых частей алгебраических уравнений</e>
          <e type="operand">b</e>
          <e type="operand">1</e>
          <e type="operator" args="1">-</e>
          <e type="bracket">(</e>
          <e type="operand">x</e>
          <e type="function" args="1">Jacobi</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operand">n</e>
          <e type="operand">n</e>
          <e type="function" preserve="true" args="5">submatrix</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand" style="string">Определители </e>
          <e type="operand">A</e>
          <e type="operand">x</e>
          <e type="function" args="1">Jacobi</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="5">submatrix</e>
          <e type="operator" args="2">:</e>
          <e type="operand">n</e>
          <e type="operand">2</e>
          <e type="operator" args="2">&gt;</e>
          <e type="operand">Δ</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">b</e>
          <e type="operand">A</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operand">2</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="5">submatrix</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="function" preserve="true" args="1">det</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Δ</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</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="5">submatrix</e>
          <e type="operand">b</e>
          <e type="function" preserve="true" args="2">augment</e>
          <e type="function" preserve="true" args="1">det</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Δ</e>
          <e type="operand">n</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">det</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="operand">2</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="operand">n</e>
          <e type="operand">2</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">≤</e>
          <e type="operand">k</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Δ</e>
          <e type="operand">k</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">A</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operand">1</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="5">submatrix</e>
          <e type="operand">b</e>
          <e type="operand">A</e>
          <e type="operand">1</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operand">n</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="5">submatrix</e>
          <e type="function" preserve="true" args="3">augment</e>
          <e type="function" preserve="true" args="1">det</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">:</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">line</e>
          <e type="function" preserve="true" args="4">for</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">Δ</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">b</e>
          <e type="operator" args="2">:</e>
          <e type="operand">Δ</e>
          <e type="operand">n</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">det</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">if</e>
          <e type="operand">dS</e>
          <e type="operand">Δ</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">Δ</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="operand">Δ</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="bracket">(</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operator" args="2">:</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
          <e type="operand">i</e>
          <e type="operand">n</e>
          <e type="operator" args="2">≤</e>
          <e type="operand">i</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">D2</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">Δ</e>
          <e type="operand">i</e>
          <e type="function" preserve="true" args="2">el</e>
          <e type="operand">dS</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
          <e type="function" preserve="true" args="4">for</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">line</e>
          <e type="operand">t</e>
          <e type="operand">x</e>
          <e type="function" args="2">D1</e>
          <e type="operand">D2</e>
          <e type="operator" args="2">:</e>
          <e type="operand">r</e>
          <e type="operand">X0</e>
          <e type="operand">tmin</e>
          <e type="operand">tmax</e>
          <e type="operand">N</e>
          <e type="operand">t</e>
          <e type="operand">x</e>
          <e type="function" args="2">D1</e>
          <e type="function" preserve="true" args="5">rkfixed</e>
          <e type="operator" args="2">:</e>
          <e type="operand">13</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="15">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="13" top="1125" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="14" left="0" top="1161" width="68" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">tmin</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="15" left="90" top="1161" width="76" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">tmax</e>
        <e type="operand">30</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="16" left="207" top="1161" width="76" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Δt</e>
        <e type="operand">0.06</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="17" left="315" top="1161" width="72" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">N</e>
        <e type="operand">tmax</e>
        <e type="operand">Δt</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="18" left="405" top="1161" width="70" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">N</e>
      </input>
      <result action="numeric">
        <e type="operand">500</e>
      </result>
    </math>
  </region>
  <region id="19" left="0" top="1224" width="193" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <description active="true" position="Right" lang="rus">
        <p>Матрица координат    </p>
      </description>
      <input>
        <e type="operand">B</e>
        <e type="operand">X0</e>
        <e type="operand">tmin</e>
        <e type="operand">tmax</e>
        <e type="operand">N</e>
        <e type="function" args="4">D</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="20" left="0" top="1269" width="233" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">B1</e>
        <e type="operand">B</e>
        <e type="operand">1</e>
        <e type="operand">N</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="5">submatrix</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="21" left="9" top="1332" width="68" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">tmin</e>
        <e type="operand">0</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="22" left="99" top="1332" width="85" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">tmax</e>
        <e type="operand">0.8</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="23" left="252" top="1332" width="76" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Δt</e>
        <e type="operand">0.05</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="24" left="387" top="1332" width="80" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">N1</e>
        <e type="operand">tmax</e>
        <e type="operand">Δt</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="25" left="9" top="1377" width="813" height="718" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">k</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">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">B1</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">row</e>
        <e type="operator" args="2">:</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">k</e>
        <e type="operand">2</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" style="string">Находим коэффициенты направляющего вектора прямой Pk,P(k-1)</e>
        <e type="operand" style="string">которые являются  коэффициентами нормального вектора плоскости</e>
        <e type="operand">A</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">B</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">C</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operand">N</e>
        <e type="operand">2</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand" style="string">Уравнения плоскостей,перпендикулярных прямым </e>
        <e type="operand" style="string">из которых состоит линия пересечения поверхностей</e>
        <e type="operand">V</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">A</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">B</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">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">C</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">3</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" style="string">Уравнение сферы</e>
        <e type="operand">f</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand">x</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">x</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="operand">R1</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">f</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">V</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="bracket">(</e>
        <e type="operand" style="string">Второе уравнение</e>
        <e type="operator" args="2">≡</e>
        <e type="operand" style="string">Находим линии пересечения плоскостей со сферой</e>
        <e type="operand">Lp</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">p</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">R1</e>
        <e type="operator" args="2">+</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operand">0</e>
        <e type="operand">tmax</e>
        <e type="operand">N1</e>
        <e type="function" args="4">D</e>
        <e type="operand">1</e>
        <e type="operand">N1</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="5">submatrix</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand" style="string">К этой матрице добавляем 5 строк кавычек,чтобы  цвет линий повторялся</e>
        <e type="operand">S</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Lp</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="operand">10</e>
        <e type="operand">10</e>
        <e type="operator" args="2">^</e>
        <e type="operand">10</e>
        <e type="operand">10</e>
        <e type="operator" args="2">^</e>
        <e type="operand">10</e>
        <e type="operand">10</e>
        <e type="operator" args="2">^</e>
        <e type="operand">10</e>
        <e type="operand">10</e>
        <e type="operator" args="2">^</e>
        <e type="operand">10</e>
        <e type="operand">10</e>
        <e type="operator" args="2">^</e>
        <e type="operand">1</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="8">mat</e>
        <e type="function" preserve="true" args="1">transpose</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
        <e type="operand" style="string">Создаем матрицу всех линий сетки</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">L</e>
        <e type="operand">S</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">L</e>
        <e type="operand">L</e>
        <e type="operand">S</e>
        <e type="operand">k</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">if</e>
        <e type="operand" style="string">Преобразование матрицы L в алгебраическую систему</e>
        <e type="operand">AlgS</e>
        <e type="operand">L</e>
        <e type="function" preserve="true" args="1">mat2sys.1</e>
        <e type="operator" args="2">:</e>
        <e type="operand">14</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="16">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">line</e>
      </input>
    </math>
  </region>
  <region id="26" left="0" top="2142" width="341" height="271" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <plot grid="false" axes="false" type="3d" render="lines" scale_x="23655.5645290161" scale_y="23655.5645290161" scale_z="23655.5645290161" rotate_x="2089" rotate_y="952" rotate_z="-2" transpose_x="0" transpose_y="0" transpose_z="0">
      <description active="true" position="Top" lang="rus">
        <p>The tube in the form of  a Villarceau circles </p>
      </description>
      <input>
        <e type="operand">AlgS</e>
      </input>
    </plot>
  </region>
</regions>