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How to extract columns from multiple 3D arrays?

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SojM
SojM 2021-9-20
编辑： Matt J 2021-9-20
I have seven 3D arrays like below
f1 = 6 x 6 x 21
f2= 6 x 6 x 21
f3 = 6 x 6 x 21
f4 = 6 x 6 x 21
f5 = 6 x 6 x 21
f6 = 6 x 6 x 21
f7 = 6 x 6 x 21
Now, I want to take the element from each 3D array (f1, f2, f3, f4, f5, f6, f7) from same location and save it as a multiple column vectors. This way I would have 756 arrays of 7 x 1. How can I do this so that I can then acess each column of 7 x 1 separetely and also able to write for loop when I want to make and operation on all column vectors?

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Matt J
Matt J 2021-9-20
编辑：Matt J 2021-9-20
Seems like you could just put them in a matrix:
F=[f1(:), f2(:),f3(:),...,f7(:)]

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