Considering a 3D matrix of generic dimension n. How to delete the first column of the first matrix, the second column of the second matrix, the third column of the third matrix, and so on.

% Considering 3D matrix of dimension n

n=3;

for a=1:n

for b=1:n

for c=1:n

A(b,c,a)=c;

end

end

end

Answer 1

[KSSV]

% Considering 3D matrix of dimension n
n=3;
for a=1:n
    for b=1:n
        for c=1:n
            A(b,c,a)=c;
        end
    end
end
%%To delete 
iwant = zeros(size(A,1),size(A,2)-1,n) ;
for i = 1:n
    iwant(:,:,i) = A(:,setdiff(1:n,i),i) ;
end

Answer 2

[Image Analyst]

Mariana, I answered this long ago the first time you asked it: https://www.mathworks.com/matlabcentral/answers/368240-considering-a-3d-matrix-how-to-delete-the-first-column-of-the-first-matrix-the-second-column-of-th#answer_292235

I'm closing this one since it's a duplicate question.