Difference between columns, fixed the first column, in a matrix
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Montserrat Vallcorba Martí
il 3 Nov 2017
Commentato: Montserrat Vallcorba Martí
il 3 Nov 2017
Hi, I have a 3D-matrix and I want to calculate differences between columns, fixed the first column, and the value be positive or zero, i.e., for each 3D dimension calculate: max ( column(i)-column(1), 0 ). For example:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/169120/image.jpeg)
Thank you in advance!
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Andrei Bobrov
il 3 Nov 2017
Modificato: Andrei Bobrov
il 3 Nov 2017
B = bsxfun(@minus,A(:,2:end,:),A(:,1,:));
B(B<0) = 0;
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