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 -- --------------------------------------- | Jesus ROJO | | Dpto. de Matematica Aplicada | | E.T.S. de Ingenieros Industriales | | Paseo del Cauce s/n | | 47011 VALLADOLID, Spain | | Phone : 34 - 83 - 42 33 90 | | Fax : 34 - 83 - 42 34 06 | | e-mail: jesroj at wmatem.eis.uva.es | --------------------------------------- ==== [MESSAGE SEPARATOR] ====