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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>