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Re: how to extract the diagonal entries out of a matrix
From: |
David Doria |
Subject: |
Re: how to extract the diagonal entries out of a matrix |
Date: |
Fri, 6 Feb 2009 13:02:49 -0500 |
A = rand(3,3);
B = diag(A);
Dave
On Fri, Feb 6, 2009 at 1:01 PM, Edward <address@hidden> wrote:
> Hi,
>
> For example, there is a matrix like:
>
> [ 1 2 3 4
> 5 6 7 8
> 3 5 7 0
> 4 8 2 5 ]
> and I want to get the diagonal elements out of the matrix and make into a
> vector: [ 1 6 7 5] .
>
> I know I could write some lines to do it, but I just want to know if there
> is a built-in function can do the job. Thank you.
>
> --
> Edward
>
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>
>
--
Thanks,
David