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MathGroup Archive 2006

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solve and Abs

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69379] solve and Abs
  • From: "Richard J. Fateman" <fateman at eecs.berkeley.edu>
  • Date: Sat, 9 Sep 2006 03:27:02 -0400 (EDT)
  • Organization: UC Berkeley

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.


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