示例：平滑时间序列

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    <define xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">
      <id labels="*" xml:space="preserve" xml:lang="zh_CN">Yss</id>
      <apply xml:lang="zh_CN">
        <id labels="FUNCTION" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">supsmooth</id>
        <sequence xml:lang="zh_CN">
          <id labels="VARIABLE" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">x</id>
          <id labels="VARIABLE" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">data</id>
        </sequence>
      </apply>
    </define>
    <resultFormat xml:lang="zh_CN">
      <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="zh_CN" />
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" xml:lang="zh_CN" />
    </resultFormat>
  </math>
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  <math resultRef="33" xml:lang="zh_CN">
    <define xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">
      <id labels="*" xml:space="preserve" xml:lang="zh_CN">Yks</id>
      <apply xml:lang="zh_CN">
        <id labels="FUNCTION" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">ksmooth</id>
        <sequence xml:lang="zh_CN">
          <id labels="VARIABLE" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">x</id>
          <id labels="VARIABLE" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">data</id>
          <real xml:lang="zh_CN">9</real>
        </sequence>
      </apply>
    </define>
    <resultFormat xml:lang="zh_CN">
      <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="zh_CN" />
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" xml:lang="zh_CN" />
    </resultFormat>
  </math>
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  <math resultRef="35" xml:lang="zh_CN">
    <define xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">
      <id labels="*" xml:space="preserve" xml:lang="zh_CN">Yvs</id>
      <apply xml:lang="zh_CN">
        <id labels="FUNCTION" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">VSmooth</id>
        <sequence xml:lang="zh_CN">
          <id labels="VARIABLE" xml:space="preserve" xml:lang="zh_CN" label-is-contextual="true">data</id>
          <real xml:lang="zh_CN">11</real>
        </sequence>
      </apply>
    </define>
    <resultFormat xml:lang="zh_CN">
      <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="zh_CN" />
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" xml:lang="zh_CN" />
    </resultFormat>
  </math>
</region>

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  <plot xml:lang="zh_CN">
    <xyPlot xml:lang="zh_CN">
      <title class="- topic/title " xml:lang="zh_CN" toc="yes" wwtype:type="Paragraph" xmlns:wwtype="urn:WebWorks-Type-Schema" />
      <legend xml:lang="zh_CN" />
      <traces xml:lang="zh_CN">
        <trace resultRef="37" xml:lang="zh_CN">
          <traceStyle color="#FF00008B" symbol="rhombus" line-weight="1" line-style="None" xml:lang="zh_CN">lines</traceStyle>
        </trace>
        <trace resultRef="38" xml:lang="zh_CN">
          <traceStyle color="#FF0000FF" symbol="none" line-weight="2" line-style="Solid" xml:lang="zh_CN">lines</traceStyle>
        </trace>
        <trace resultRef="39" xml:lang="zh_CN">
          <traceStyle color="#FF008000" symbol="none" line-weight="2" line-style="Solid" xml:lang="zh_CN">lines</traceStyle>
        </trace>
        <trace resultRef="40" xml:lang="zh_CN">
          <traceStyle color="#FFFF0000" symbol="none" line-weight="2" line-style="Solid" xml:lang="zh_CN">lines</traceStyle>
        </trace>
      </traces>
      <graph-size width="501.8" height="235.2" xml:lang="zh_CN" />
      <axes xml:lang="zh_CN">
        <xAxis rank="1" legend-position="PlotBoundaryBottom" start="0" end="200" xml:lang="zh_CN">
          <axisLine position="ticknumberlock" positionticmark="5" legendWidth="60.93" xml:lang="zh_CN" />
          <axisGrid xml:lang="zh_CN">
            <gridFrequency xml:lang="zh_CN">11</gridFrequency>
            <gridLabels display="true" xml:lang="zh_CN" />
            <gridLines xml:lang="zh_CN" />
            <tickMarks display="true" xml:lang="zh_CN" />
          </axisGrid>
          <axisLabel xml:lang="zh_CN" />
          <markers xml:lang="zh_CN" />
          <numberFormat xml:lang="zh_CN">
            <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="zh_CN" />
          </numberFormat>
          <plotEquations xml:lang="zh_CN">
            <plotEquation xml:lang="zh_CN">
              <math resultRef="41" xml:lang="zh_CN">
                <id xml:space="preserve" xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">x</id>
              </math>
              <math resultRef="42" xml:lang="zh_CN">
                <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
              </math>
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            <endValue xml:lang="zh_CN">
              <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
            </endValue>
          </xyDomain>
        </xAxis>
        <yAxis rank="1" legend-position="PlotBoundaryLeft" start="9.175" end="9.355" xml:lang="zh_CN">
          <axisLine position="ticknumberlock" positionticmark="0" legendWidth="83.1233333333333" xml:lang="zh_CN" />
          <axisGrid xml:lang="zh_CN">
            <gridFrequency xml:lang="zh_CN">13</gridFrequency>
            <gridLabels display="true" xml:lang="zh_CN" />
            <gridLines xml:lang="zh_CN" />
            <tickMarks display="true" xml:lang="zh_CN" />
          </axisGrid>
          <axisLabel xml:lang="zh_CN" />
          <markers xml:lang="zh_CN" />
          <numberFormat xml:lang="zh_CN">
            <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="zh_CN" />
          </numberFormat>
          <plotEquations xml:lang="zh_CN">
            <plotEquation xml:lang="zh_CN">
              <math resultRef="43" xml:lang="zh_CN">
                <id xml:space="preserve" xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">data</id>
              </math>
              <math resultRef="44" xml:lang="zh_CN">
                <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
            <plotEquation xml:lang="zh_CN">
              <math resultRef="45" xml:lang="zh_CN">
                <id xml:space="preserve" xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">Yss</id>
              </math>
              <math resultRef="46" xml:lang="zh_CN">
                <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
            <plotEquation xml:lang="zh_CN">
              <math resultRef="47" xml:lang="zh_CN">
                <id xml:space="preserve" xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">Yks</id>
              </math>
              <math resultRef="48" xml:lang="zh_CN">
                <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
            <plotEquation xml:lang="zh_CN">
              <math resultRef="49" xml:lang="zh_CN">
                <id xml:space="preserve" xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50">Yvs</id>
              </math>
              <math resultRef="50" xml:lang="zh_CN">
                <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
          </plotEquations>
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              <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
            </startValue>
            <endValue xml:lang="zh_CN">
              <placeholder xml:lang="zh_CN" xmlns="http://schemas.mathsoft.com/math50" />
            </endValue>
          </xyDomain>
        </yAxis>
      </axes>
    </xyPlot>
  </plot>
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