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MathGroup Archive 1995

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Evaluating Abs

  • To: mathgroup at christensen.cybernetics.net
  • Subject: [mg717] Evaluating Abs
  • From: Vlastimil Krivan <krivan at baloun.entu.cas.cz>
  • Date: Tue, 11 Apr 1995 15:51:29 +0200 (METDST)
  • Organization: University of South Bohemia

I would like to evaluate Abs[-T] for positive T.
I tried 
Positive[T]=True
but this doesn't help, since when I type in Mathematica
Abs[-T] the answer Mathematica gives is again Abs[-T],
instead of T which I would like.
Could someone help me?

Vlastimil Krivan
baloun at entu.cas.cz


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