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3d to 2d matrix

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I need to convert this "u" 3d matrix in a 2d numerical matrix, without having to cut and paste number by number in a new one, just like the "u2" example.
Thank you for any help!

Accepted Answer

Joseph Cheng
Joseph Cheng on 22 Jun 2021
take a look at the function squeeze()
for ind = 1:3
val(1,1,ind)=-ind;
end
disp(val)
(:,:,1) = -1 (:,:,2) = -2 (:,:,3) = -3
u2 = squeeze(val);
disp(u2)
-1 -2 -3
  2 Comments
Joseph Cheng
Joseph Cheng on 22 Jun 2021
if the starting matrix is a bit more complicated you can also use reshape() as well

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