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MathGroup Archive 2006

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Re: solve and Abs

  • To: mathgroup at
  • Subject: [mg69380] Re: [mg69379] solve and Abs
  • From: "Chris Chiasson" <chris at>
  • Date: Sun, 10 Sep 2006 07:19:45 -0400 (EDT)
  • References: <>

AFAIK, it just means solve couldn't find a solution.

On 9/9/06, Richard J. Fateman <fateman at> wrote:
> Is there a reason (in 5.1) for Solve[x-Abs[x]==0,x] to return {{}}?
> This supposedly means all variables can have all possible values.
> Reduce does better.


  • References:
    • solve and Abs
      • From: "Richard J. Fateman" <>
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