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MathGroup Archive 2004

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Re: List of solution

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47003] Re: List of solution
  • From: DrBob <drbob at bigfoot.com>
  • Date: Fri, 19 Mar 2004 01:35:56 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Simple:

{{x -> 0, y -> 0}, {x -> 1, y -> 0}, {x -> I, y -> 1 + 2I}}
Select[%, FreeQ[#, I] &]

{{x -> 0, y -> 0}, {x -> 1, y -> 0}, {x -> I, y -> 1 + 2*I}}
{{x -> 0, y -> 0}, {x -> 1, y -> 0}}

Bobby

Clément <rusheraquatic at ifrance.com> wrote in message 
news:<c3bgf6$7qh$1 at smc.vnet.net>...
> Hello MathGroup,
>
> I have resolved an equation. So i have a list of solution like : {{x->0, 
> y->0}{x->1, y->0}{x->i, y->1+2i}}
> I want to remove the complex solutions of this list.
> How can i do ?
>
> Thanks




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