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MathGroup Archive 2006

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Re: basic complex number question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72124] Re: basic complex number question
  • From: dh <dh at metrohm.ch>
  • Date: Wed, 13 Dec 2006 06:39:07 -0500 (EST)
  • Organization: hispeed.ch
  • References: <eljaq8$7fm$1@smc.vnet.net>

Hi Daniel,
you could e.g. try:
myRe[z_] := (z + Conjugate[z])/2 // ComplexExpand;
myIm[z_] := (z - Conjugate[z])/(2I) // ComplexExpand;
Daniel

Daniel Mazur wrote:
> My apologies for asking a question *this* basic, but here goes:
> Functions Im[] and Re[] don't really evaluate imaginary and real part of
> analytical expressions. What do I need to do to get this done?
> Thanks,
> Daniel
> 


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