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MathGroup Archive 2012

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Re: How to get the corresponding coefficients?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg125875] Re: How to get the corresponding coefficients?
  • From: Nicholas <physnick at gmail.com>
  • Date: Thu, 5 Apr 2012 05:55:50 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <jlh0s4$t8s$1@smc.vnet.net>

On Apr 4, 4:31 am, Titus <simplerbysimp... at gmail.com> wrote:
>  If    exp:= x3 Exp[x1+x2];
> How can I get the coefficient x3 and the exponential x1+x2 from the exp in a simple way?

I don't know if this is what you mean, but take a look at FullForm and
TreeForm of an expression.  In this case, you can access x3 and x1+x2
by just doing

exp[[1]] and exp[[2,2]]

Hope this helps.



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