Many functions in MATLAB® operate on categorical arrays in much the same way that they operate on other arrays. A few of these functions might exhibit special behavior when operating on a categorical array. If multiple input arguments are ordinal categorical arrays, the function often requires that they have the same set of categories, including order. Furthermore, a few functions, such as max and gt, require that the input categorical arrays are ordinal.
The following table lists notable MATLAB functions that operate on categorical arrays in addition to other arrays.