示例：单选按钮

此脚本可以控制基于特定 Seed 值生成一组随机数字的过程。

1. 定义变量和 Seed 函数。

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  <math resultRef="23">
    <define xmlns="http://schemas.mathsoft.com/math50">
      <function>
        <id labels="VARIABLE" xml:space="preserve">DiffNormal</id>
        <boundVars>
          <id labels="VARIABLE" xml:space="preserve">n</id>
          <id labels="VARIABLE" xml:space="preserve">μ</id>
          <id labels="VARIABLE" xml:space="preserve">σ</id>
          <id labels="VARIABLE" xml:space="preserve">s</id>
        </boundVars>
      </function>
      <program>
        <apply>
          <id labels="FUNCTION" xml:space="preserve" label-is-contextual="true">Seed</id>
          <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">s</id>
        </apply>
        <localDefine>
          <id labels="VARIABLE" xml:space="preserve">nums</id>
          <apply>
            <id labels="FUNCTION" xml:space="preserve" label-is-contextual="true">rnorm</id>
            <sequence>
              <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">n</id>
              <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">μ</id>
              <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">σ</id>
            </sequence>
          </apply>
        </localDefine>
        <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">nums</id>
      </program>
    </define>
    <resultFormat>
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" />
    </resultFormat>
  </math>
</region>

2. 在输入/输出选项卡的控件组中，单击高级 > 单选按钮。

3. 为定义运算符左侧的单选按钮输入输出变量名。

4. 在单选按钮的右侧添加项列表。在本例中，此列表为 Seed 值列表。

a. 右键单击单选按钮，然后选择编辑。

b. 单击属性选项卡。

c. 编辑单选按钮的值。

d. 单击关闭。

5. 也可使用脚本编辑器编辑脚本。

将本示例复制到 Engineering Notebook 工作表中，可以查看此处使用的脚本。

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  <math resultRef="34">
    <define xmlns="http://schemas.mathsoft.com/math50">
      <function>
        <id labels="VARIABLE" xml:space="preserve">F</id>
        <boundVars>
          <id labels="VARIABLE" xml:space="preserve">x</id>
        </boundVars>
      </function>
      <apply>
        <mult />
        <apply>
          <mult />
          <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">n</id>
          <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">h</id>
        </apply>
        <apply>
          <id labels="FUNCTION" xml:space="preserve" label-is-contextual="true">dnorm</id>
          <sequence>
            <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">x</id>
            <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">μ</id>
            <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">σ</id>
          </sequence>
        </apply>
      </apply>
    </define>
    <resultFormat>
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" />
    </resultFormat>
  </math>
</region>

7. 绘制每个种子值的分布图，以查看不同单选按钮值的变化。

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  <plot origin-positioning="true">
    <xyPlot>
      <title class="- topic/title " wwtype:type="Paragraph" xmlns:wwtype="urn:WebWorks-Type-Schema" />
      <legend />
      <traces>
        <trace resultRef="36">
          <traceStyle color="#FFED1D2F" symbol="none" line-weight="1" line-style="Solid">columns</traceStyle>
        </trace>
        <trace resultRef="37">
          <traceStyle color="#FF2E3192" symbol="none" line-weight="2" line-style="Solid">lines</traceStyle>
        </trace>
      </traces>
      <graph-size width="394.4" height="222.4" />
      <axes>
        <xAxis rank="1" legend-position="PlotBoundaryBottom" start="-7.5" end="7.5">
          <axisLine position="origin" positionticmark="0" legendWidth="72.65" />
          <axisGrid>
            <gridFrequency>11</gridFrequency>
            <gridLabels display="true" />
            <gridLines />
            <tickMarks display="true" />
          </axisGrid>
          <axisLabel />
          <markers />
          <plotEquations>
            <plotEquation>
              <math>
                <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true" xmlns="http://schemas.mathsoft.com/math50">int</id>
              </math>
              <math>
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
          </plotEquations>
          <xyDomain scale-type="linear" auto-scale="true">
            <startValue>
              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
            </startValue>
            <endValue>
              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
            </endValue>
          </xyDomain>
        </xAxis>
        <yAxis rank="1" legend-position="PlotBoundaryLeft" start="0" end="150">
          <axisLine position="origin" positionticmark="5" legendWidth="97.1466666666667" />
          <axisGrid>
            <gridFrequency>11</gridFrequency>
            <gridLabels display="true" />
            <gridLines />
            <tickMarks display="true" />
          </axisGrid>
          <axisLabel />
          <markers />
          <plotEquations>
            <plotEquation>
              <math>
                <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true" xmlns="http://schemas.mathsoft.com/math50">Q</id>
              </math>
              <math>
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
            <plotEquation>
              <math>
                <apply xmlns="http://schemas.mathsoft.com/math50">
                  <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">F</id>
                  <id labels="VARIABLE" xml:space="preserve" label-is-contextual="true">int</id>
                </apply>
              </math>
              <math>
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
              </math>
            </plotEquation>
          </plotEquations>
          <xyDomain scale-type="linear" auto-scale="true">
            <startValue>
              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
            </startValue>
            <endValue>
              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
            </endValue>
          </xyDomain>
        </yAxis>
      </axes>
    </xyPlot>
  </plot>
</region>

以上示例使用的是 JScript 语言。复制以下示例，可以查看 VBScript 和 Python 脚本。

◦ VBScript

◦ Python

下载单选按钮控件的其他示例：单选按钮示例。