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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: 3D trace
Replies: 1   Last Post: Feb 3, 2013 4:19 AM

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Bruno Luong

Posts: 8,565
Registered: 7/26/08
Re: 3D trace
Posted: Feb 3, 2013 4:19 AM
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"Hung Lu" wrote in message <kel887$4mv$1@newscl01ah.mathworks.com>...
> Hello,
>
> Does anyone know how to perform a trace of a [5x5x100] matrix to get a [1x100] vector?
>

Supposed A is 5x5x100

B = reshape(A,25,[]);
sum(B(1:6:end,:))

% Bruno



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