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Topic: sum command
Replies: 1   Last Post: Feb 22, 2013 12:43 PM

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Posts: 25
Registered: 8/6/10
sum command
Posted: Feb 22, 2013 11:43 AM
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Is there a way of doing the following using vectorisation.

I have a numeric matrix M, 2 columns x 50 rows.

I want to sum(M(end-20:end,1)) and sum(M(end-10:end,2)).

Can I do this in one sum command?



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