Re: Matrix manipulation
- To: mathgroup@smc.vnet.net
- Subject: [mg12350] Re: Matrix manipulation
- From: Paul Abbott <paul@physics.uwa.edu.au>
- Date: Sun, 10 May 1998 02:04:32 -0400
- Organization: University of Western Australia
- References: <6itic7$1cv@smc.vnet.net>
Michael Chang wrote:
> I'm running Mathematica 3.1.x on Windoze 95. Here's a simple question
> that has been bothering me recently.
>
> Suppose I define:
>
> a={{1,2},{3,4}};
>
> In this case,
>
> Inverse[a]
>
> gives back the expected result
>
> {{-2,1},{3/2,-1/2}}
>
> However, suppose I now define
>
> b=a//MatrixForm
This needs parens:
(b=a)//MatrixForm
for otherwise b is set to the MatrixForm of a, not a itself.
I prefer to set
Cell | Default Output FormatType | TraditionalForm
so that matrices are displayed automatically.
Cheers,
Paul
____________________________________________________________________
Paul Abbott Phone: +61-8-9380-2734
Department of Physics Fax: +61-8-9380-1014
The University of Western Australia Nedlands WA 6907
mailto:paul@physics.uwa.edu.au AUSTRALIA
http://www.pd.uwa.edu.au/~paul
God IS a weakly left-handed dice player
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