Why does Inverse[M] hesitate?

*To*: mathgroup at smc.vnet.net*Subject*: [mg54370] Why does Inverse[M] hesitate?*From*: skirmantas.janusonis at yale.edu (Skirmantas)*Date*: Sat, 19 Feb 2005 02:32:29 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

I'm puzzled by the following in Mathematica 5.0 and 5.1: If I define a symbolic matrix A and a symbolic matrix B and ask to calculate Inverse[A].B, the output is the same input operation with the A and B expanded. I have re-input this output, I finally get the result.

**Follow-Ups**:**Re: Why does Inverse[M] hesitate?***From:*DrBob <drbob@bigfoot.com>