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%% List Categories in Categorical Array %% % Create a categorical array, |A|. A = categorical({'plane' 'car' 'train' 'car' 'plane'}) %% % |A| is a 1-by-5 categorical array. %% % Display the categories of |A|. C = categories(A) %% % Since you created |A| by specifying only an input array, the categories % appear in alphabetical order.