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MathGroup Archive 2004

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Re: How to force Mathematica to treat a number as positive and real?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51936] Re: How to force Mathematica to treat a number as positive and real?
  • From: David Bailey <dave at Remove_Thisdbailey.co.uk>
  • Date: Fri, 5 Nov 2004 02:17:59 -0500 (EST)
  • References: <cm9vi3$8nc$1@smc.vnet.net> <cmclh7$i86$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Sorry, I notice that a special character in my reply has got scrambled 
in the email.
The character in question is the one you obtain by typing \[Element]

So, for example I meant to write:

Simplify[{Abs[a], Re[a]}, Assumptions ->
     {a \[Element] Reals, a >= 0}]

David Bailey


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