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Re: Coefficient Question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg104055] Re: Coefficient Question
  • From: Ray Koopman <koopman at sfu.ca>
  • Date: Sat, 17 Oct 2009 07:02:57 -0400 (EDT)
  • References: <hb9jsr$k4$1@smc.vnet.net>

First@Flatten@CoefficientList[#,Variables@#]&[
8(3+5k+4x1+6x2+45x3) ]

On Oct 16, 4:02 am, Scott <sguth... at gmail.com> wrote:
> I've got the expression
>
> 8(3+5k+4x1+6x2+45x3)
>
> and I want to extract the constant 24.
>
> Yes, I can define a function and then set k and x1 and x2 and x3 to 0
> but there has to be easier way, no?
>
> Any suggestions?
>
> Thanks much.
>
> Cheers, Scott


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