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Re: How to do symbolic matrix manipulations

• To: mathgroup at smc.vnet.net
• Subject: [mg92288] Re: [mg92276] How to do symbolic matrix manipulations
• From: "Adriano Pascoletti" <adriano.pascoletti at gmail.com>
• Date: Sat, 27 Sep 2008 06:46:44 -0400 (EDT)
• References: <200809261023.GAA09890@smc.vnet.net>

See http://reference.wolfram.com/mathematica/ref/NonCommutativeMultiply.html
Adriano Pascoletti

2008/9/26 Peng Yu <pengyu.ut at gmail.com>

> Hi,
>
> Suppose I have matrices a and b, which does not have any value yet.
>
> If I write b * a, mathematica would give me "a b". I'm wondering how to
> make
> it know that a and b are matrices, so that it would give me "b a" rather
> than "a b".
>
> Thanks,
> Peng
>
>

• References:
  • How to do symbolic matrix manipulations
    • From: "Peng Yu" <pengyu.ut@gmail.com>