Y may be any array. X may be any array. R is Boolean. R is 0 if X=Y. Otherwise R is 1.
For Boolean X and Y, the value of R is the exclusive or (XOR) result, determined as follows:
X Y R 0 0 0 0 1 1 1 0 1 1 1 0
⎕CT and ⎕DCT are implicit arguments of Not Equal.
Examples
1 2 3 ≠ 1.1 2 3 1 0 0 ⎕CT←1E¯10 1≠1 1.00000000001 1.0000001 0 0 1 1 2 3 ≠'CAT' 1 1 1