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    <title>MaplePrimes - answers and comments on Question, symbolic extraction</title>
    <link>http://www.mapleprimes.com/questions/128686-Symbolic-Extraction</link>
    <language>en-us</language>
    <copyright>2026 Maplesoft, A Division of Waterloo Maple Inc.</copyright>
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    <lastBuildDate>Wed, 10 Jun 2026 21:28:49 GMT</lastBuildDate>
    <pubDate>Wed, 10 Jun 2026 21:28:49 GMT</pubDate>
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    <itunes:summary />
    <description>The latest answers and comments added to the Question, symbolic extraction</description>
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      <title>MaplePrimes - answers and comments on Question, symbolic extraction</title>
      <link>http://www.mapleprimes.com/questions/128686-Symbolic-Extraction</link>
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    <item>
      <title>specify unknowns</title>
      <link>http://www.mapleprimes.com/questions/128686-Symbolic-Extraction?ref=Feed:MaplePrimes:symbolic extraction:Comments#answer128687</link>
      <itunes:summary>&lt;p&gt;solve needs to know the variables to solve for.&amp;nbsp; A nice way to do this, given that you've already assumed the knowns as constants (which doesn't otherwise do anything useful here) is the following:&lt;/p&gt;
&lt;pre&gt;vars := remove(hasassumptions, indets(sys));&lt;br&gt;solve(sys, vars);&lt;br&gt;&lt;br&gt;&lt;/pre&gt;</itunes:summary>
      <description>&lt;p&gt;solve needs to know the variables to solve for.&amp;nbsp; A nice way to do this, given that you've already assumed the knowns as constants (which doesn't otherwise do anything useful here) is the following:&lt;/p&gt;
&lt;pre&gt;vars := remove(hasassumptions, indets(sys));&lt;br&gt;solve(sys, vars);&lt;br&gt;&lt;br&gt;&lt;/pre&gt;</description>
      <guid>128687</guid>
      <pubDate>Mon, 12 Dec 2011 21:25:48 Z</pubDate>
      <itunes:author>Joe Riel</itunes:author>
      <author>Joe Riel</author>
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