示例：多项式函数

Hermite 多项式

1. 使用 Her 函数来绘制不同 x 值时的 Hermite 多项式的值。

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 <gridLabels display="true" />
 <gridLines />
 <tickMarks display="true" />
 </axisGrid>
 <axisLabel />
 <markers />
 <plotEquations>
 <plotEquation>
 <math resultRef="260">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Her</id>
 <sequence>
 <real>1</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">1</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="261">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="262">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Her</id>
 <sequence>
 <real>2</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">1</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="263">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="264">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Her</id>
 <sequence>
 <real>3</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">1</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="265">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="266">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Her</id>
 <sequence>
 <real>4</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">1</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="267">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 </plotEquations>
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 <startValue resultRef="255">
 <real xmlns="http://schemas.mathsoft.com/math50">-30</real>
 </startValue>
 <secondTickValue resultRef="257">
 <real xmlns="http://schemas.mathsoft.com/math50">-20</real>
 </secondTickValue>
 <endValue resultRef="259">
 <real xmlns="http://schemas.mathsoft.com/math50">30</real>
 </endValue>
 </xyDomain>
 </yAxis>
 </axes>
 </xyPlot>
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拉格尔多项式

1. 使用 Lag 函数来绘制不同 x 值时的拉格尔多项式的值。

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 <gridLabels display="true" />
 <gridLines />
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 <axisLabel />
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 <math resultRef="303">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Lag</id>
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 <real>1</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">2</Subscript>
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 </apply>
 </math>
 <math resultRef="304">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
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 <math resultRef="305">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Lag</id>
 <sequence>
 <real>2</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">2</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="306">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="307">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Lag</id>
 <sequence>
 <real>3</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">2</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="308">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="309">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Lag</id>
 <sequence>
 <real>4</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">2</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="310">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
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 </secondTickValue>
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 </endValue>
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勒让德多项式

1. 使用 Leg 函数来绘制不同 x 值时的勒让德多项式的值。

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 <math resultRef="347">
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 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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 <plotEquation>
 <math resultRef="349">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Leg</id>
 <sequence>
 <real>2</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="350">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="351">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Leg</id>
 <sequence>
 <real>3</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="352">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="353">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Leg</id>
 <sequence>
 <real>4</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="354">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
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 <real xmlns="http://schemas.mathsoft.com/math50">1</real>
 </endValue>
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 </yAxis>
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第一类和第二类切比雪夫多项式

1. 使用 Tcheb 函数来绘制不同 x 值时的第一类切比雪夫多项式的值。

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 <id xml:space="preserve">Tcheb</id>
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 <real>2</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="382">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
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 <plotEquation>
 <math resultRef="383">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Tcheb</id>
 <sequence>
 <real>3</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
 </id>
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 </apply>
 </math>
 <math resultRef="384">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
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 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
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2. 使用 Ucheb 函数来绘制不同 x 值时的第二类切比雪夫多项式的值。

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 <math resultRef="414">
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 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Ucheb</id>
 <sequence>
 <real>2</real>
 <id xml:space="preserve">
 x<Subscript xmlns="clr-namespace:Ptc.Wpf;assembly=Ptc.Core">3</Subscript>
 </id>
 </sequence>
 </apply>
 </math>
 <math resultRef="416">
 <placeholder xmlns="http://schemas.mathsoft.com/math50" />
 </math>
 </plotEquation>
 <plotEquation>
 <math resultRef="417">
 <apply xmlns="http://schemas.mathsoft.com/math50">
 <id xml:space="preserve">Ucheb</id>
 <sequence>
 <real>3</real>
 <id xml:space="preserve">
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雅可比多项式

1. 使用 Jac 函数来绘制不同 x 值时的雅可比多项式 (以 a 和 b 为参数) 的值。

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 <sequence>
 <real>2</real>
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