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    <title>MaplePrimes - answers and comments on Question, Maple 10 Commands</title>
    <link>http://www.mapleprimes.com/questions/43023-Maple-10-Commands</link>
    <language>en-us</language>
    <copyright>2026 Maplesoft, A Division of Waterloo Maple Inc.</copyright>
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    <lastBuildDate>Thu, 11 Jun 2026 22:54:55 GMT</lastBuildDate>
    <pubDate>Thu, 11 Jun 2026 22:54:55 GMT</pubDate>
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    <description>The latest answers and comments added to the Question, Maple 10 Commands</description>
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      <title>MaplePrimes - answers and comments on Question, Maple 10 Commands</title>
      <link>http://www.mapleprimes.com/questions/43023-Maple-10-Commands</link>
    </image>
    <item>
      <title>Maple 10 Commands</title>
      <link>http://www.mapleprimes.com/questions/43023-Maple-10-Commands?ref=Feed:MaplePrimes:Maple 10 Commands:Comments#answer80029</link>
      <itunes:summary>&gt; restart: &gt; a:=diff(x^2+8*x+4,x); &gt; b:=subs(x=3,a); Maple requires the use of * for multiplication, otherwise you will get the error message below: Error, missing operator or `;` For more help, type ?diff to see more examples of the diff operator. Regards, Georgios Kokovidis</itunes:summary>
      <description>&gt; restart: &gt; a:=diff(x^2+8*x+4,x); &gt; b:=subs(x=3,a); Maple requires the use of * for multiplication, otherwise you will get the error message below: Error, missing operator or `;` For more help, type ?diff to see more examples of the diff operator. Regards, Georgios Kokovidis</description>
      <guid>80029</guid>
      <pubDate>Sat, 25 Mar 2006 09:00:33 Z</pubDate>
      <itunes:author>gkokovidis</itunes:author>
      <author>gkokovidis</author>
    </item>
    <item>
      <title>unapply</title>
      <link>http://www.mapleprimes.com/questions/43023-Maple-10-Commands?ref=Feed:MaplePrimes:Maple 10 Commands:Comments#answer80028</link>
      <itunes:summary>Hello dcameron,

The unapply, diff and D commands will do what you want:

restart;
f := unapply(x^2 + 8*x + 4, x);
f := D(f);
f(3);
f(10);

Hope this helps.

J. Tarr</itunes:summary>
      <description>Hello dcameron,

The unapply, diff and D commands will do what you want:

restart;
f := unapply(x^2 + 8*x + 4, x);
f := D(f);
f(3);
f(10);

Hope this helps.

J. Tarr</description>
      <guid>80028</guid>
      <pubDate>Sat, 25 Mar 2006 12:21:21 Z</pubDate>
      <itunes:author>Mariner</itunes:author>
      <author>Mariner</author>
    </item>
    <item>
      <title>unapply</title>
      <link>http://www.mapleprimes.com/questions/43023-Maple-10-Commands?ref=Feed:MaplePrimes:Maple 10 Commands:Comments#comment86588</link>
      <itunes:summary>&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;&gt; restart;&lt;/font&gt;&lt;/strong&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f := unapply(x^2 + 8*x + 4, x);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/a0a4296bf9cd6ccfd50a0343911f0770.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f := D(f);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/bfd07b53e98f94b66ba9adb3311aab36.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f(3);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/93c65b5488a2a9241ed9720967c39ec8.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f(10);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/5e852521aad4eba79b0198505f001268.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/5b189de7b1a2b275e4be1f37cd37169e.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/p&gt;&lt;p&gt;This post generated using the online &lt;a href="http://beta.mapleprimes.com/mwconvert"&gt;HTML conversion tool&lt;br&gt;&lt;/a&gt; 
				&lt;a href="http://beta.mapleprimes.com/files/724_Unapply.mw"&gt;Download the original worksheet&lt;/a&gt; 
				&lt;a href="http://maplenet.maplesoft.com/maplenet/worksheet/mapleprimes/724_Unapply.mw"&gt;View worksheet on MapleNET&lt;/a&gt;&lt;/p&gt; 
J. Tarr</itunes:summary>
      <description>&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;&gt; restart;&lt;/font&gt;&lt;/strong&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f := unapply(x^2 + 8*x + 4, x);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/a0a4296bf9cd6ccfd50a0343911f0770.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f := D(f);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/bfd07b53e98f94b66ba9adb3311aab36.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f(3);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/93c65b5488a2a9241ed9720967c39ec8.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;/p&gt;&lt;p &gt;&lt;strong &gt;&lt;font color="#ff0000" face="Monospaced"&gt;f(10);&lt;/font&gt;&lt;/strong&gt;&lt;center &gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/5e852521aad4eba79b0198505f001268.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/center&gt;&lt;img src="http://maplenet.maplesoft.com/maplenet/primes/5b189de7b1a2b275e4be1f37cd37169e.gif" alt='Maple Equation' align='absMiddle' /&gt;&lt;/p&gt;&lt;p&gt;This post generated using the online &lt;a href="http://beta.mapleprimes.com/mwconvert"&gt;HTML conversion tool&lt;br&gt;&lt;/a&gt; 
				&lt;a href="http://beta.mapleprimes.com/files/724_Unapply.mw"&gt;Download the original worksheet&lt;/a&gt; 
				&lt;a href="http://maplenet.maplesoft.com/maplenet/worksheet/mapleprimes/724_Unapply.mw"&gt;View worksheet on MapleNET&lt;/a&gt;&lt;/p&gt; 
J. Tarr</description>
      <guid>86588</guid>
      <pubDate>Sat, 25 Mar 2006 12:33:58 Z</pubDate>
      <itunes:author>Mariner</itunes:author>
      <author>Mariner</author>
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