Slow ReIm

*To*: mathgroup at smc.vnet.net*Subject*: [mg3354] Slow ReIm*From*: Donald Darling <ddarling at math.uci.edu>*Date*: Thu, 29 Feb 1996 03:25:23 -0500*Organization*: University of California, Irvine*Sender*: owner-wri-mathgroup at wolfram.com

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. ==== [MESSAGE SEPARATOR] ====