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Feruz
Feruz on 28 Nov 2011
Hi all,
How do I make this matrix in Matlab?
http://dl.dropbox.com/u/9726875/matrix.png
Thanks
  1 Comment
Image Analyst
Image Analyst on 28 Nov 2011
Fast comment - what number should be in the blank areas?

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Accepted Answer

Walter Roberson
Walter Roberson on 28 Nov 2011
If the output matrix is to be n by n, then
M = diag(ones(m-1,1),1) + diag(-ones(m-1,1),-1) + diag(1,1-n) + diag(1,n-1);
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Walter Roberson
Walter Roberson on 28 Nov 2011
There are faster ways using ordinary assignments.

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