Re: MatrixForm
- To: mathgroup at smc.vnet.net
- Subject: [mg17731] Re: MatrixForm
- From: adam.smith at hillsdale.edu
- Date: Tue, 25 May 1999 02:15:15 -0400
- Organization: Deja.com - Share what you know. Learn what you don't.
- References: <7i7vtf$ng@smc.vnet.net>
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Bruce,
The following seemed to work fine for me:
<< LinearAlgebra`MatrixManipulation`;
X = Table[x[i,j], {i, 1, 4}, {j, 1, 4}]
SubMatrix[X,{1,1},{2,2}]//MatrixForm
Did you maybe forget to load the MatrixManipulation package? It is
requred in order to use the SubMatrix command. I first tried it before
loading the MatrixManipulation package and did not get the right
results.
Adam Smith
In article <7i7vtf$ng at smc.vnet.net>,
bcolletti at mail.utexas.edu (Bruce W. Colletti) wrote:
> Re Mathematica 3.0 (Windows).
>
> After establishing matrix X, I execute:
>
> MatrixForm[X]
> SubMatrix[X,{1,1},{2,2}]//MatrixForm
>
> This prints X as expected and then prints the specified submatrix. So
> far so good.
>
> But when I remove MatrixForm[X], the submatrix doesn't print, although
> one with the correct dimensions does but its entries are "Null."
>
> What's going on? Thanks.
>
> Bruce
>
>
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