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MathGroup Archive 2007

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Re: Weird result in Mathematica 6

  • To: mathgroup at smc.vnet.net
  • Subject: [mg76604] Re: Weird result in Mathematica 6
  • From: Sebastian Meznaric <meznaric at gmail.com>
  • Date: Thu, 24 May 2007 06:18:47 -0400 (EDT)
  • References: <200705211001.GAA10071@smc.vnet.net>

Actually nevermind my previous post. If one adds i (as I should have)
then Mathematica does not appear to have a problem. So
Simplify[Im[x], Assumptions -> (x - x\[Conjugate])/\[ImaginaryI] > 0]

returns Im[x] as it should. So in this case Mathematica recognises
that x-Conjugate[x] is real. So the problem only seems to appear when
expressions like x*Conjugate[x] are involved... Weird



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