Set Functions

unique_all(x)	Returns the unique elements of an input array x, the first occurring indices for each unique element in x, the indices from the set of unique elements that reconstruct x, and the corresponding counts for each unique element in x.
unique_counts(x)	Returns the unique elements of an input array x and the corresponding counts for each unique element in x.
unique_inverse(x)	Returns the unique elements of an input array x and the indices from the set of unique elements that reconstruct x.
unique_values(x)	Returns the unique elements of an input array x.