Do element by element comparisons between X and Y and returns
a matrix of the same size with elements set to 1 where the
relation is true and elements set to 0 where it is not.
Do element by element comparisons between X and x and returns
a matrix of the same size with elements set to 1 where the
relation is true and elements set to 0 where it is not.
Do element by element comparisons between x and X and returns
a matrix of the same size with elements set to 1 where the
relation is true and elements set to 0 where it is not.