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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.

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Mariana
Mariana 2017-11-21
关闭： Image Analyst 2017-11-21
% 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

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回答（2 个）

KSSV
KSSV 2017-11-21
% 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
Image Analyst
Image Analyst 2017-11-21
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.

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