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Re: howto matrixes containing e.g. vectors and matrixes and matrix opera
From: |
Jaroslav Hajek |
Subject: |
Re: howto matrixes containing e.g. vectors and matrixes and matrix operations |
Date: |
Sun, 1 Jun 2008 16:39:49 +0200 |
On Sun, Jun 1, 2008 at 2:39 PM, Schoeller Sebastian
<address@hidden> wrote:
> dear all,
>
> is it possible to create a multidimensional array, whereas a column may
> contain matrixes or vectors like e.g.
>
> ma =
>
> i11 i12=[1,2;3,4] i13=[1,2;3,4]
> i21 i22=[5,6;7,8] i23=[1,2;3,4]
> i31 i32=[9,2;3,4] i33=[1,2;3,4]
>
I'm not sure what exactly you mean. If you want each element of a 3x3
matrix to be a 2x2 matrix, you can use a 2x2x3x3 array. If you want
the elements to differ in size, you have to use cells.
> also i would like to be able to execute the operation
>
> ma(:,2)*ma(:,3)
>
and what exactly should it do?
> is that somehow possible? do i have to use cells instead? i cannot find
> any documentation on this subject easily, so i would be glad for a hint.
>
> best greetings
>
> sebastian
>
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--
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz