예제: 극각 작업

함수 > 그래프 > 예제: 극각 작업

예제: 극각 작업

1. x 및 y 좌표를 나타내는 동일한 길이의 두 벡터를 정의합니다.

2. angle 및 atan2 함수를 사용하여 x 및 y 좌표에 해당하는 각도를 구합니다.

atan2는 (0,0)에서 정의되지 않습니다.

3. x 좌표를 사용하여 반경 벡터를 계산하고 결과를 도표화합니다.

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      <title class="- topic/title " wwtype:type="Paragraph" xmlns:wwtype="urn:WebWorks-Type-Schema" />
      <legend />
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            <gridLabels display="true" />
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            <tickMarks display="true" />
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          <axisLabel />
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              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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            <endValue>
              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
            </endValue>
          </angularDomain>
        </angularAxis>
        <radialAxis rank="1" legend-position="PlotBoundaryRight" start="0" end="5">
          <axisLine position="origin" positionticmark="2" legendWidth="59.48" />
          <axisGrid>
            <gridFrequency>6</gridFrequency>
            <gridLabels display="true" />
            <gridLines />
            <tickMarks display="true" />
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          <axisLabel />
          <markers />
          <plotEquations>
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          </radialDomain>
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4. atan2 함수의 결과를 사용하여 반경을 계산하고 도표화한 다음 이전 도표와 비교합니다.

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    <polarPlot>
      <title class="- topic/title " wwtype:type="Paragraph" xmlns:wwtype="urn:WebWorks-Type-Schema" />
      <legend />
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        <trace resultRef="53">
          <traceStyle color="#FF00008B" symbol="x" line-weight="1" line-style="Solid">lines</traceStyle>
        </trace>
      </traces>
      <graph-size width="231.2" height="231.2" />
      <axes>
        <angularAxis rank="1" legend-position="PlotBoundaryBottom" start="0" end="360">
          <axisLine position="origin" positionticmark="6" legendWidth="35.3633333333333" />
          <axisGrid>
            <gridFrequency>13</gridFrequency>
            <gridLabels display="true" />
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            <tickMarks display="true" />
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          <axisLabel />
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        </angularAxis>
        <radialAxis rank="1" legend-position="PlotBoundaryRight" start="0" end="5">
          <axisLine position="origin" positionticmark="2" legendWidth="67.46" />
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            <gridFrequency>6</gridFrequency>
            <gridLabels display="true" />
            <gridLines />
            <tickMarks display="true" />
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          <axisLabel />
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          <plotEquations>
            <plotEquation>
              <math resultRef="57">
                <id xml:space="preserve" xmlns="http://schemas.mathsoft.com/math50">r2</id>
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              <math resultRef="58">
                <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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          <radialDomain scale-type="linear" auto-scale="true">
            <startValue resultRef="56">
              <real xmlns="http://schemas.mathsoft.com/math50">0</real>
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              <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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</region>

두 도표가 동일합니다.