Separate matrix each 3 columns and save outputs each iteration

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daniele marchese
daniele marchese 2022-6-7
编辑： Jan 2022-6-7
Hello,
I have two issues:
I got a 30x90 matrix to be saparated every 3 columns each for loop iteration and save the each output into different files with different names in csv format.
Many thanks to those who can help me!

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Jan
Jan 2022-6-7
编辑：Jan 2022-6-7
With some bold guessing, what "different names" means (better mention, what you want):
data = reshape(1:30*90, 30, 90); % Some test data
blocks = reshape(data, 30, 3, 30);
% Now blocks(:, :, k) is the k.th block of 3 columns
folder = 'D:\Your\Folder';
for k = 1:30
Block = blocks(:, :, k);
file = sprintf('File%02d.mat', k);
csvwrite(fullfile(folder, file), Block);
end

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