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