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MathGroup Archive 2005

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Re: findroot

  • To: mathgroup at
  • Subject: [mg55377] Re: findroot
  • From: Peter Pein <petsie at>
  • Date: Mon, 21 Mar 2005 03:01:42 -0500 (EST)
  • References: <d1jfr4$s9t$>
  • Sender: owner-wri-mathgroup at

dumb_founded wrote:
> How come you can't really store the root spat out by FindRoot in some
> variable?  You just get a set.  I want to get rid of the set and have
> the numerical root stored in some variable.  
> Thanks.
1. If nothing else helps read the documentation:
"FindRoot returns a list of replacements for x, y, ? , in the same form
as obtained from Solve. "
2. x0=x/.FindRoot[x^2==2,{x,1.5}] ?

Peter Pein

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