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Multiplication of matrices

• To: mathgroup at smc.vnet.net
• Subject: [mg89127] Multiplication of matrices
• From: TomÃÅ ProchÃzka <proct2am at seznam.cz>
• Date: Mon, 26 May 2008 01:32:20 -0400 (EDT)

Hi,

does anyone know how to simplify expressions like
A.((-1)*B)
or A.(5B)
with A and B (general) matrices to expressions like
-A.B
5 A.B
I am sorry for such a stupid question :-) Thanks!

Tomas