ne# swordfish.function.ne()# If neither X nor Y is a set, conduct the element-by-element comparison of X and Y; return 1 if the elements in X and Y are not the same. If both X and Y are sets, check if X and Y are not identical. Parameters: X (Constant) – A scalar/pair/vector/matrix/set. Y (Constant) – A scalar/pair/vector/matrix/set.