declaring variables
- To: mathgroup at smc.vnet.net
- Subject: [mg4753] declaring variables
- From: dh61 at rs3.hrz.th-darmstadt.de (Burkhardt Goedde)
- Date: Thu, 5 Sep 1996 02:00:04 -0400
- Organization: Technische Hochschule Darmstadt
- Sender: owner-wri-mathgroup at wolfram.com
Dear math users,
just a simple problem, but I got no answer from thew book.
Re[x + I y] gives
Re[x + I y]
whereas
Re[2 + 3 I]
gives 2
How could I tell Mathematica that x and y are real numbers?
thanks
burkart
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