find duplicates in matlab arrauy

Finding Duplicates in MATLAB Array

To find duplicates in a MATLAB array, you can use the unique function along with the diff function to identify the indices of the duplicate elements. Here's a code snippet to achieve this:

A = [1 2 2 3 4 4 4 5];
[~, idx] = unique(A);
duplicate_indices = setdiff(1:numel(A), idx);
duplicate_values = A(duplicate_indices);

This code snippet first finds the unique elements in the array A and then identifies the indices of the duplicate elements. The variable duplicate_values will contain the actual duplicate values in the array.

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