How to remove Nan layers from 3D array?
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I have an array of 3 dimensions (rows, columns end layers).
I want to do two things:
1) get the list of layers containing only nan;
3) get the array where the layers containing only nan have been removed.
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colordepth
2023-7-10
Here's a short demo on this:
% A is your 3D array
A = rand(4,4,4);
A(:,:,2) = nan; % making second layer nan for demonstration
% Check if a layer contains only NaN
layersWithNaN = all(all(isnan(A), 1), 2);
% 1. Get the list of layers containing only NaN
listOfLayersWithNaN = find(layersWithNaN);
% 2. Get the array where the layers containing only NaN have been removed
A(:,:,listOfLayersWithNaN) = [];
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