Taking one dimension of a matrix

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I have a 972X48X128 matrix double, and I want to save the first 2D matrix of the 3D matrix in another variable of dimension 1X48X128.
How do I accomplish this?

Accepted Answer

Dyuman Joshi
Dyuman Joshi on 2 Feb 2023
in = rand(972,48,128);
out = in(1,:,:);
ans = 1×3
1 48 128

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