array data types are not recommended. To represent ordered and unordered discrete, nonnumeric
data, use the Categorical Arrays (MATLAB) data type instead.
Notable functions that operate on nominal and ordinal arrays are listed in
ordinal. In addition to these, many other
functions in MATLAB® operate on nominal and ordinal arrays in much the same way that they
operate on other arrays. A few functions might exhibit special behavior when operating
on nominal and ordinal arrays:
If multiple input arguments are nominal or ordinal arrays, the function often requires that they have the same set of categories, including order if ordinal.
Relational functions, such as
gt, require that the input arrays be
The following table lists MATLAB functions that operate on nominal and ordinal arrays in addition to other arrays.