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symbolic matrix manipulation

• To: mathgroup at smc.vnet.net
• Subject: [mg96042] symbolic matrix manipulation
• From: ashwin.tulapurkar at gmail.com
• Date: Tue, 3 Feb 2009 06:30:51 -0500 (EST)

Hi,
I am trying to simplify the following matrix expression:
a.b.b.a with the rule: replace a.b by (b.a+1). So I expect the final
output to be
a.b.b.a --> (b.a+1).b.a --> b.a.b.a+b.a --> b.(b.a+1).a+b.a -->
b.b.a.a + 2 b.a

Can you tell me how to do this?

Thanks.
-Ashwin

• Follow-Ups:
  • Re: symbolic matrix manipulation
    • From: Daniel Lichtblau <danl@wolfram.com>