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%% Preserve Legacy Behavior of unique % Use the |'legacy'| flag to preserve the behavior of |unique| from R2012b % and prior releases in your code. %% % Find the unique elements of |A| with the current behavior. A = [9 2 9 5]; [C1, ia1, ic1] = unique(A) %% % Find the unique elements of |A|, and preserve the legacy behavior. [C2, ia2, ic2] = unique(A, 'legacy')