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MathGroup Archive 2000

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Manipulating Equations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg25064] Manipulating Equations
  • From: Laurent CHUSSEAU <chusseau at univ-montp2.fr>
  • Date: Thu, 7 Sep 2000 22:28:06 -0400 (EDT)
  • Organization: LIRMM
  • Sender: owner-wri-mathgroup at wolfram.com

First excuse my question which is probably easy to answer for the high-level
Mathematica users that you are.
I have to simultaneously solve equations corresponding to a physical
problem. Therefore most of my variables have a meaning only if they are real
and positive. How can I say to Mathematica that it has to reject solutions
not corresponding to these cases, and furthermore how to declare these
variables so that their particular nature is used by Simplify or
FullSimplify.
Thanks in advance



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