forloop to itereate over columns in matlab

To iterate over columns of a matrix using a for loop in Matlab, you can use the following code snippet:

main.m
A = rand(3,4); % Example matrix
for column = 1:size(A,2)
    disp(['Column ',num2str(column),':']);
    disp(A(:,column));
end
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In this code snippet, size(A,2) returns the number of columns in A. The for loop then iterates over each column using the loop variable column.

The code inside the loop uses disp() to print a header for each column, followed by the contents of the column. In this case, A(:,column) returns the entire column-th column of A.