示例：中值平滑

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示例：中值平滑

使用函数 medsmooth 平滑数据集。

1. 使用 sin 函数来定义一个与时间 t 相关的函数。

2. 按设定的时间间隔对该函数采样。

3. 使用 rnd 函数将噪声注入，间隔为四个样本。

4. 绘制得到的数据集的图像。

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                <id xmlns="http://schemas.mathsoft.com/math50">t</id>
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              <math>
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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        <yAxis legend-position="PlotBoundaryLeft" rank="1">
          <axisLine position="origin" positionticmark="0" />
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            <gridLabels display="true" />
            <gridLines />
            <tickMarks display="true" />
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            <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" />
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              <math>
                <id xmlns="http://schemas.mathsoft.com/math50">Q</id>
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              <math>
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
              </math>
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              <real xmlns="http://schemas.mathsoft.com/math50">1</real>
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        </yAxis>
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5. 使用函数 medsmooth 对数据集进行中值平滑处理。

6. 绘制平滑后的数据集的图像。

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            <gridLines />
            <tickMarks display="true" />
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            <tickMarks display="true" />
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          <axisLabel />
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          <numberFormat>
            <decimal precision="3" show-trailing-zeros="false" radix="dec" imaginary-value="i" />
          </numberFormat>
          <plotEquations>
            <plotEquation>
              <math>
                <id xmlns="http://schemas.mathsoft.com/math50">Q2</id>
              </math>
              <math>
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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        </yAxis>
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