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MathGroup Archive 1996

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Abs and variables

  • To: mathgroup at smc.vnet.net
  • Subject: [mg4267] Abs and variables
  • From: Scott.A.Hill at williams.edu (Perrin)
  • Date: Sun, 23 Jun 1996 03:10:47 -0400
  • Organization: Williams College, Williamstown MA
  • Sender: owner-wri-mathgroup at wolfram.com

	How can I have the Abs function treat real variables properly?
I seem to recall a way of declaring a variable real, but I don't
remember how.  If there is such a way, would this work with Abs; i.e.
fix the variable a so that "Abs[a]" will give a result of "a"?

Thanks.

/
:@-) Scott
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