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          <p style="font-family: Courier New; font-size: 10px; background-color: #fafafa;">Prepare the data set ------------------------------------------------ </p>
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          <p style="font-size: 20px;">... Fixed rotations ...</p>
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          <p style="background-color: #ffff80;">X</p>
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          <p style="background-color: #ffff80;">Y</p>
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          <e type="operand">4</e>
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          <e type="operand">23000</e>
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          <e type="operator" args="2">*</e>
          <e type="operand">82966.5305</e>
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          <e type="operand" style="unit">s</e>
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          <p style="font-weight: bold; font-family: Courier New; font-size: 14px; background-color: #80ffff;">2d rotation  of a data set </p>
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          <e type="operand">L</e>
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          <e type="operand">H</e>
          <e type="operand">L</e>
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          <e type="operand">θ</e>
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          <e type="operand">θ</e>
          <e type="function" args="1">sin</e>
          <e type="operand">θ</e>
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          <e type="operand">2</e>
          <e type="function" args="6">mat</e>
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          <e type="operand">1</e>
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          <e type="operand">0.1204</e>
          <e type="operand">0.1243</e>
          <e type="operand">0.1711</e>
          <e type="operand">0.1841</e>
          <e type="operand">0.2111</e>
          <e type="operand">0.2409</e>
          <e type="operand">0.2378</e>
          <e type="operand">0.2939</e>
          <e type="operand">0.2495</e>
          <e type="operand">0.3423</e>
          <e type="operand">0.2456</e>
          <e type="operand">0.3853</e>
          <e type="operand">0.2262</e>
          <e type="operand">0.4222</e>
          <e type="operand">0.1926</e>
          <e type="operand">0.4524</e>
          <e type="operand">0.1469</e>
          <e type="operand">0.4755</e>
          <e type="operand">0.092</e>
          <e type="operand">0.4911</e>
          <e type="operand">0.0313</e>
          <e type="operand">0.499</e>
          <e type="operand">0.0313</e>
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          <e type="operand">0.499</e>
          <e type="operand">0.092</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0.4911</e>
          <e type="operand">0.1469</e>
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          <e type="operand">0.4755</e>
          <e type="operand">0.1926</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0.4524</e>
          <e type="operand">0.2262</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0.4222</e>
          <e type="operand">0.2456</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0.3853</e>
          <e type="operand">0.2495</e>
          <e type="operator" args="1">-</e>
          <e type="operand">0.3423</e>
          <e type="operand">19</e>
          <e type="operand">2</e>
          <e type="function" args="40">mat</e>
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          <p style="font-family: Courier New; font-size: 10px;">The 2d incremental plots in <br />Smath native 3D</p>
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          <e type="operand">2</e>
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          <e type="function" args="4">sys</e>
        </input>
      </plot>
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</worksheet>