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          <trace seriesname="" isy2data="false" isvisible="true" plotmethod="Lines" lineantialias="true" linecolor="Fuchsia" linethickness="1" linepattern="Solid" filled="false" hatched="false" fillcolor="64, 255, 0, 255" hatchstyle="Percent20" symbolantialias="true" symbolsize="8" symboltype="None" symbolborderthickness="1" symbolbordercolor="Black" symbolfillcolor="White" />
        </traces>
        <input>
          <e type="operand">U</e>
          <e type="operand">M</e>
          <e type="function" args="2">augment</e>
          <e type="operand">u</e>
          <e type="operand">m</e>
          <e type="operand" style="string">root</e>
          <e type="operand">5</e>
          <e type="function" args="4">augment</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">f1</e>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">f2</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">sys</e>
        </input>
      </xyplot>
    </region>
  </regions>
</worksheet>