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Re: Declaring a variable real

  • To: mathgroup at smc.vnet.net
  • Subject: [mg41641] Re: Declaring a variable real
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Thu, 29 May 2003 08:14:11 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <bb1v5g$9h7$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

have a look to the Assumptions option of Integrate[]
you can specify there that Element[s,Reals]

Regards
  Jens

M wrote:
> 
> I'm integrating a function. Mathematica gives a conditional output:
> computing the integral
> if Re[s^2]>0 and leaving the integral undone otherwise (s is a parameter in
> the integrand). I'd like to tell mathematica that s is real valued so it
> just generates the integral instead of giving me a conditional statement. I
> tried doing a Simplify on the integral placing the constraint that s
> belonged to the set of Reals. It had no effect. Apparently the Simplify[..]
> command cannot simplify a conditional statement?
> Help


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