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Re: Slow ReIm

  • To: mathgroup at smc.vnet.net
  • Subject: [mg3414] Re: [mg3354] Slow ReIm
  • From: Jesus ROJO <jesroj at wmatem.eis.uva.es>
  • Date: Wed, 6 Mar 1996 01:45:15 -0500
  • Sender: owner-wri-mathgroup at wolfram.com


Your message:
> 
> Can someone tell me why, after I load the package ReIm and declare the 
> variables z and u real, it takes over 15 minutes to evaluate 
> Re[(1- I u z)/(1-2 I u z - z^2)] ? 
> 
> Thanks ...  Don Darling.  
> 

Hello,

In this case, hand-rationalization (of denominator)
is more easy. Try it

			  Jesus ROJO

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