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      <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="618" height="28" color="#804040" bgColor="#ffffff" fontSize="12">
    <text lang="rus">
      <p bold="true">The procedure for constructing a circle by three points in 3D</p>
    </text>
  </region>
  <region id="1" left="0" top="54" width="928" height="136" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p>The calculation algorithm1. The three  points are vertices of the triangle. Write three linear equations:two equations of planes passing through the midpoints of the two sides of the triangleperpendicular to these sides: f1 = 0, f3 = 0and the equation of the plane which contains the triangle: f2 = 0.2. Solve the system of equations and find the center of a circle with coordinates Cen xCen, ... zCen.3. Find the circle radius R of the equation of a sphere with  radius R and center at Cen4. Construct a circle as the line of intersection of the sphere with the plane of the triangle (Dragilev method)</p>
    </text>
  </region>
  <region id="2" top="207" color="#000000" bgColor="#ffffff">
    <area collapsed="true">
      <title lang="rus">
        <p>Поворот вокруг осей координат</p>
      </title>
    </area>
    <region id="3" left="45" top="261" width="196" height="67" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Right" lang="rus">
          <p>Поворот на угол α вокруг оси OX </p>
        </description>
        <input>
          <e type="operand">α</e>
          <e type="function" args="1">Ω1</e>
          <e type="operand">1</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">α</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">α</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0</e>
          <e type="operand">α</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">α</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">3</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="11">mat</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
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    <region id="4" left="45" top="351" width="196" height="67" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Right" lang="rus">
          <p>Поворот на угол φ вокруг оси OY </p>
        </description>
        <input>
          <e type="operand">φ</e>
          <e type="function" args="1">Ω2</e>
          <e type="operand">φ</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">0</e>
          <e type="operand">φ</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="operand">0</e>
          <e type="operand">φ</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0</e>
          <e type="operand">φ</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">3</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="11">mat</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
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    <region id="5" left="963" top="405" width="24" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="rus">
        <p>α </p>
      </text>
    </region>
    <region id="6" left="45" top="441" width="196" height="67" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Right" lang="rus">
          <p>Поворот на угол ψ вокруг оси OZ </p>
        </description>
        <input>
          <e type="operand">ψ</e>
          <e type="function" args="1">Ω3</e>
          <e type="operand">ψ</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">ψ</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0</e>
          <e type="operand">ψ</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">ψ</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="11">mat</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="7" left="45" top="513" width="56" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">α</e>
          <e type="operand">π</e>
          <e type="operator" args="1">-</e>
          <e type="operand">5</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
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    <region id="8" left="108" top="513" width="47" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">φ</e>
          <e type="operand">π</e>
          <e type="operand">8</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="9" left="180" top="513" width="83" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">ψ</e>
          <e type="operand">0.85</e>
          <e type="operand">π</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="10" left="45" top="558" width="202" height="28" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Right" lang="rus">
          <p>Матрица поворота  вокруг  трех осей           </p>
        </description>
        <input>
          <e type="operand">γ</e>
          <e type="operand">α</e>
          <e type="function" args="1">Ω1</e>
          <e type="operand">φ</e>
          <e type="function" args="1">Ω2</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ψ</e>
          <e type="function" args="1">Ω3</e>
          <e type="operator" args="2">*</e>
          <e type="function" preserve="true" args="1">eval</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
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    <region id="11" left="54" top="603" width="341" height="345" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <description active="true" position="Top" lang="rus">
          <p>Оси координат</p>
        </description>
        <input>
          <e type="operand" style="string">XYZ</e>
          <e type="operand">k</e>
          <e type="function" args="1">OX</e>
          <e type="operand">3</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="5">mat</e>
          <e type="bracket">(</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">k</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="function" preserve="true" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="function" args="1">OY</e>
          <e type="operand">0</e>
          <e type="operand">3</e>
          <e type="operand">0</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="5">mat</e>
          <e type="bracket">(</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">k</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="function" preserve="true" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">k</e>
          <e type="function" args="1">OZ</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="operand">3</e>
          <e type="function" preserve="true" args="5">mat</e>
          <e type="bracket">(</e>
          <e type="operand">γ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">k</e>
          <e type="function" preserve="true" args="2">col</e>
          <e type="function" preserve="true" args="1">eval</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">sys</e>
          <e type="operand">XYZ</e>
          <e type="operand">0</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0</e>
          <e type="operator" args="1">-</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="1">OX</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" args="1">OX</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="1">OY</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" args="1">OY</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0</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" args="1">OZ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" args="1">OZ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">8</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="18">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">TextXYZ</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand" style="string">.</e>
          <e type="operand">10</e>
          <e type="operand" style="string">brown</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="1">OX</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" args="1">OX</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="string">x</e>
          <e type="operand">15</e>
          <e type="operand" style="string">brown</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="1">OY</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" args="1">OY</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="string">y</e>
          <e type="operand">13</e>
          <e type="operand" style="string">brown</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="1">OZ</e>
          <e type="operator" args="2">*</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" args="1">OZ</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="string">Z</e>
          <e type="operand">13</e>
          <e type="operand" style="string">brown</e>
          <e type="operand">4</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="22">mat</e>
          <e type="operator" args="2">:</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="5">sys</e>
        </input>
      </math>
    </region>
    <region id="12" top="1008" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="13" left="9" top="1044" width="217" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p italic="true">Координаты заданных точек</p>
    </text>
  </region>
  <region id="14" left="18" top="1071" width="51" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">xA</e>
        <e type="operand">2</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="15" left="117" top="1071" width="68" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">yA</e>
        <e type="operand">20</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="16" left="252" top="1071" width="68" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">zA</e>
        <e type="operand">0.1</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="17" left="342" top="1071" width="59" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">xB</e>
        <e type="operand">10</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="18" left="441" top="1071" width="60" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">yB</e>
        <e type="operand">3</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="19" left="576" top="1071" width="51" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">zB</e>
        <e type="operand">1</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="20" left="18" top="1116" width="60" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">xC</e>
        <e type="operand">3</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="21" left="117" top="1116" width="68" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">yC</e>
        <e type="operand">1.2</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="22" left="252" top="1116" width="60" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">zC</e>
        <e type="operand">2</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="23" left="18" top="1152" width="144" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p bold="true">Алгоритм расчета</p>
    </text>
  </region>
  <region id="24" left="9" top="1179" width="715" height="72" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p bold="true">1.Три заданые точки являются вершинами треугольника.Составляем  три линйных уравнения:два уравнения плоскостей, проходящих через середины двух сторон треугольникаперпендикулярно этим сторонам:  f1 = 0,    f3 = 0 и уравнение плоскости, в которой лежит  треугольник:    f2 = 0  .</p>
    </text>
  </region>
  <region id="25" left="0" top="1269" width="554" height="45" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">f1</e>
        <e type="operand">xB</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">xA</e>
        <e type="operand">xB</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">yB</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">yA</e>
        <e type="operand">yB</e>
        <e type="operator" args="2">+</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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">zB</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">zA</e>
        <e type="operand">zB</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="bracket">(</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
      </input>
    </math>
  </region>
  <region id="26" left="0" top="1323" width="554" height="45" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">f3</e>
        <e type="operand">xC</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">xA</e>
        <e type="operand">xC</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">yC</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">yA</e>
        <e type="operand">yC</e>
        <e type="operator" args="2">+</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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">zC</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">zA</e>
        <e type="operand">zC</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="bracket">(</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
      </input>
    </math>
  </region>
  <region id="27" left="9" top="1377" width="257" height="75" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">f2</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">xA</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">yA</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">zA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">xB</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">yB</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">zB</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">xC</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">yC</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">zC</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
        <e type="function" preserve="true" args="1">det</e>
        <e type="operator" args="2">:</e>
        <e type="bracket">(</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
      </input>
    </math>
  </region>
  <region id="28" left="0" top="1467" width="755" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p bold="true">2.Решаем эту систему уравнений и находим центр окружности  Cen с координатами xCen,...zCen.</p>
    </text>
  </region>
  <region id="29" left="9" top="1503" width="218" height="89" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">xCen</e>
        <e type="operand">yCen</e>
        <e type="operand">zCen</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">f1</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">f2</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">f3</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">x</e>
        <e type="operand">1</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="operand">x</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</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="2">roots</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="30" left="288" top="1503" width="148" height="63" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">xCen</e>
        <e type="operand">yCen</e>
        <e type="operand">zCen</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
      </input>
      <result action="numeric">
        <e type="operand">0.9082</e>
        <e type="operand">9.0396</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.6644</e>
        <e type="operator" args="1">-</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="31" left="0" top="1602" width="690" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p bold="true">3.Находим радиус окружности R из уравнения сферы с радусом R и центром в точке Cen.</p>
    </text>
  </region>
  <region id="32" left="9" top="1656" width="321" height="37" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">R</e>
        <e type="operand">xA</e>
        <e type="operand">xCen</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">yA</e>
        <e type="operand">yCen</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">zA</e>
        <e type="operand">zCen</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="function" preserve="true" args="1">sqrt</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="33" left="351" top="1656" width="103" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">R</e>
      </input>
      <result action="numeric">
        <e type="operand">11.0412</e>
      </result>
    </math>
  </region>
  <region id="34" left="9" top="1719" width="372" height="43" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <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">xCen</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">yCen</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">zCen</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">R</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">-</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="35" left="0" top="1764" width="771" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="rus">
      <p bold="true">4.Строим окружность как  линию пересечения сферы с плоскостью треугольника(Методом Драгилева)</p>
    </text>
  </region>
  <region id="36" left="0" top="1818" width="943" height="641" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <description active="true" position="Top" lang="rus">
        <p>The procedure for constructing a circle by three points in 3D </p>
      </description>
      <input>
        <e type="operand">xA</e>
        <e type="operand">yA</e>
        <e type="operand">zA</e>
        <e type="operand">xB</e>
        <e type="operand">yB</e>
        <e type="operand">zB</e>
        <e type="operand">xC</e>
        <e type="operand">yC</e>
        <e type="operand">zC</e>
        <e type="function" args="9">Cir3P</e>
        <e type="operand">f</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">xB</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">xA</e>
        <e type="operand">xB</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">yB</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">yA</e>
        <e type="operand">yB</e>
        <e type="operator" args="2">+</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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">zB</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">zA</e>
        <e type="operand">zB</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</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">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">xC</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">xA</e>
        <e type="operand">xC</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">yC</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">yA</e>
        <e type="operand">yC</e>
        <e type="operator" args="2">+</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="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">zC</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">zA</e>
        <e type="operand">zC</e>
        <e type="operator" args="2">+</e>
        <e type="operand">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="operator" args="2">-</e>
        <e type="bracket">(</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">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">xA</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">yA</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">zA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">xB</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">yB</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">zB</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">xC</e>
        <e type="operand">xA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">yC</e>
        <e type="operand">yA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">zC</e>
        <e type="operand">zA</e>
        <e type="operator" args="2">-</e>
        <e type="operand">3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="11">mat</e>
        <e type="function" preserve="true" args="1">det</e>
        <e type="operator" args="2">:</e>
        <e type="operand">xCen</e>
        <e type="operand">yCen</e>
        <e type="operand">zCen</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">f</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</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">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">f</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">x</e>
        <e type="operand">1</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="operand">x</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</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="2">roots</e>
        <e type="operator" args="2">:</e>
        <e type="operand">R</e>
        <e type="operand">xA</e>
        <e type="operand">xCen</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">yA</e>
        <e type="operand">yCen</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">zA</e>
        <e type="operand">zCen</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="function" preserve="true" args="1">sqrt</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</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">xCen</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">yCen</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">zCen</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">R</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" style="string">Dragilev method</e>
        <e type="operand">n</e>
        <e type="operand">3</e>
        <e type="operator" args="2">:</e>
        <e type="operand">k</e>
        <e type="operand">1</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">u</e>
        <e type="operand">k</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="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">b</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="bracket">(</e>
        <e type="operand">f</e>
        <e type="operand">u</e>
        <e type="function" preserve="true" args="2">Jacobian</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">A</e>
        <e type="operand">f</e>
        <e type="operand">u</e>
        <e type="function" preserve="true" args="2">Jacobian</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">det</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">det</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">det</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">i</e>
        <e type="operand">1</e>
        <e type="operand">n</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">D2</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">det</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">det</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">det</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">det</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="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</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">B1</e>
        <e type="operand">xB</e>
        <e type="operand">yB</e>
        <e type="operand">zB</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">2.1</e>
        <e type="operand">π</e>
        <e type="operator" args="2">*</e>
        <e type="operand">R</e>
        <e type="operator" args="2">*</e>
        <e type="operand">36</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="operand">1</e>
        <e type="operand">36</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>
        <e type="operand">17</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="19">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="37" left="0" top="2511" width="437" height="28" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <math>
      <input>
        <e type="operand">B1γ</e>
        <e type="operand">xA</e>
        <e type="operand">yA</e>
        <e type="operand">zA</e>
        <e type="operand">xB</e>
        <e type="operand">yB</e>
        <e type="operand">zB</e>
        <e type="operand">xC</e>
        <e type="operand">yC</e>
        <e type="operand">zC</e>
        <e type="function" args="9">Cir3P</e>
        <e type="operand">γ</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">eval</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="38" left="0" top="2538" width="141" height="27" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">p1γ</e>
        <e type="operand">xA</e>
        <e type="operand">yA</e>
        <e type="operand">zA</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">γ</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="39" left="162" top="2538" width="141" height="27" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">p2γ</e>
        <e type="operand">xB</e>
        <e type="operand">yB</e>
        <e type="operand">zB</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">γ</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="40" left="333" top="2538" width="141" height="27" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">p3γ</e>
        <e type="operand">xC</e>
        <e type="operand">yC</e>
        <e type="operand">zC</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">γ</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="41" left="0" top="2574" width="183" height="27" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Rγ</e>
        <e type="operand">xCen</e>
        <e type="operand">yCen</e>
        <e type="operand">zCen</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operand">γ</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="42" left="207" top="2574" width="109" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Δ</e>
        <e type="operand">xA</e>
        <e type="operand">yA</e>
        <e type="operand">zA</e>
        <e type="operand">xB</e>
        <e type="operand">yB</e>
        <e type="operand">zB</e>
        <e type="operand">xC</e>
        <e type="operand">yC</e>
        <e type="operand">zC</e>
        <e type="operand">xA</e>
        <e type="operand">yA</e>
        <e type="operand">zA</e>
        <e type="operand">4</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="14">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="43" left="0" top="2736" width="309" height="239" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <plot grid="false" axes="false" type="3d" render="lines" scale_x="0.0321491998539573" scale_y="0.0321491998539573" scale_z="0.0321491998539573" rotate_x="1110" rotate_y="400" rotate_z="-2" transpose_x="0" transpose_y="0" transpose_z="0">
      <input>
        <e type="operand">Δ</e>
        <e type="operand">xA</e>
        <e type="operand">yA</e>
        <e type="operand">zA</e>
        <e type="operand">xB</e>
        <e type="operand">yB</e>
        <e type="operand">zB</e>
        <e type="operand">xC</e>
        <e type="operand">yC</e>
        <e type="operand">zC</e>
        <e type="function" args="9">Cir3P</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </plot>
  </region>
  <region id="44" left="396" top="2736" width="265" height="240" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <plot grid="false" axes="false" type="2d" render="lines" scale_x="1.13842565240081" scale_y="1.13842565240081" scale_z="1.13842565240081" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="49" transpose_y="-14" transpose_z="0">
      <description active="true" position="Top" lang="rus">
        <p>Cir3P(xA,yA,zA,xB,yB,zB,xC,yC,zC)</p>
      </description>
      <input>
        <e type="operand">B1γ</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="operand">B1γ</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">col</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operand">p1γ</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">p1γ</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" style="string">.</e>
        <e type="operand">15</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">p2γ</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">p2γ</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" style="string">.</e>
        <e type="operand">15</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">p3γ</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">p3γ</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" style="string">.</e>
        <e type="operand">15</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">Rγ</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">Rγ</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" style="string">+</e>
        <e type="operand">15</e>
        <e type="operand" style="string" />
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">XYZ</e>
        <e type="operand">TextXYZ</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">sys</e>
      </input>
    </plot>
  </region>
</regions>