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%% Union of Two Vectors with Specified Output Order % Use the |setOrder| argument to specify the ordering of the values in |C|. %% % Specify |'stable'| if you want the values in |C| to have the same order % as in |A| and |B|. A = [5 7 1]; B = [3 1 1]; [C,ia,ib] = union(A,B,'stable') %% % Alternatively, you can specify |'sorted'| order. A = [5 7 1]; B = [3 1 1]; [C,ia,ib] = union(A,B,'sorted')