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Complex numbers

• To: mathgroup at smc.vnet.net
• Subject: [mg5382] Complex numbers
• From: Wouter Dobbelaere <Wouter.Dobbelaere at rug.ac.be>
• Date: Thu, 5 Dec 1996 14:50:21 -0500
• Organization: RUG-ELIS
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

Is there a way to calculate the real or imaginary part of a complex
expression symbolically (assuming real numbers as parameters) like:

Re[x + I y] = x

The standard Re function doesn't seem to allow that. Maybe some
extensions exist?

Regards,
Wouter Dobbelaere


P.S. please send also a copy to my personal mailbox at
dobbel at elis.rug.ac.be