Concatenate correlation matrices/tables across subjects to one 3D matrix

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I have n correlation matrices of the same size (400x400) and the same variables which are stored as .mat tables and I want to create one 3D matrix across all of my n subjects. I tried to concatenate them but it does not work.
Thank you for helping!

Accepted Answer

cr on 14 Nov 2022
concatenates m1,m2,... along third dimension.
  1 Comment
Luisa on 15 Nov 2022
Thank you. That is what I've tried before and it did not work. But I found the problem: I had to transform the mat tables to arrays and now it works.

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