<rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0">
  <channel>
    <title>MaplePrimes - answers and comments on Question, Like Jacobian, how to get higher order term</title>
    <link>http://www.mapleprimes.com/questions/140440-Like-Jacobian-How-To-Get-Higher-Order-Term</link>
    <language>en-us</language>
    <copyright>2026 Maplesoft, A Division of Waterloo Maple Inc.</copyright>
    <generator>Maplesoft Document System</generator>
    <lastBuildDate>Tue, 09 Jun 2026 18:18:15 GMT</lastBuildDate>
    <pubDate>Tue, 09 Jun 2026 18:18:15 GMT</pubDate>
    <itunes:subtitle />
    <itunes:summary />
    <description>The latest answers and comments added to the Question, Like Jacobian, how to get higher order term</description>
    <image>
      <url>http://www.mapleprimes.com/images/mapleprimeswhite.jpg</url>
      <title>MaplePrimes - answers and comments on Question, Like Jacobian, how to get higher order term</title>
      <link>http://www.mapleprimes.com/questions/140440-Like-Jacobian-How-To-Get-Higher-Order-Term</link>
    </image>
    <item>
      <title>mtaylor or D</title>
      <link>http://www.mapleprimes.com/questions/140440-Like-Jacobian-How-To-Get-Higher-Order-Term?ref=Feed:MaplePrimes:Like Jacobian, how to get higher order term:Comments#answer140444</link>
      <itunes:summary>&lt;p&gt;You could use mtaylor or D (or diff).&lt;/p&gt;
&lt;p&gt;Example:&lt;/p&gt;
&lt;p&gt;f:=(x,y)-&amp;gt;sin(x)/(1+x^2)*y;&lt;br&gt;g:=(x,y)-&amp;gt;(y-1)/(1+x^2);&lt;br&gt;f(Pi,1),g(Pi,1);&lt;br&gt;#The linalg package is deprecated so I use Jacobian from the VectorCalculus package using the long name and &lt;strong&gt;not&lt;/strong&gt; doing with(VectorCalculus) as that makes a lot of confusion:&lt;br&gt;J:=VectorCalculus:-Jacobian([f(x,y),g(x,y)],[x,y]);&lt;br&gt;eval(J,{x=Pi,y=1});&lt;br&gt;mtaylor(f(x,y),[x=Pi,y=1],3);&lt;br&gt;D[1,2](f)(Pi,1);&lt;br&gt;&lt;br&gt;&lt;/p&gt;</itunes:summary>
      <description>&lt;p&gt;You could use mtaylor or D (or diff).&lt;/p&gt;
&lt;p&gt;Example:&lt;/p&gt;
&lt;p&gt;f:=(x,y)-&amp;gt;sin(x)/(1+x^2)*y;&lt;br&gt;g:=(x,y)-&amp;gt;(y-1)/(1+x^2);&lt;br&gt;f(Pi,1),g(Pi,1);&lt;br&gt;#The linalg package is deprecated so I use Jacobian from the VectorCalculus package using the long name and &lt;strong&gt;not&lt;/strong&gt; doing with(VectorCalculus) as that makes a lot of confusion:&lt;br&gt;J:=VectorCalculus:-Jacobian([f(x,y),g(x,y)],[x,y]);&lt;br&gt;eval(J,{x=Pi,y=1});&lt;br&gt;mtaylor(f(x,y),[x=Pi,y=1],3);&lt;br&gt;D[1,2](f)(Pi,1);&lt;br&gt;&lt;br&gt;&lt;/p&gt;</description>
      <guid>140444</guid>
      <pubDate>Fri, 16 Nov 2012 21:31:37 Z</pubDate>
      <itunes:author>Preben Alsholm</itunes:author>
      <author>Preben Alsholm</author>
    </item>
  </channel>
</rss>