Y may be any numeric array.  X may be any numeric array.  R is the arithmetic product of X and Y.

This function is also known as Times.

Example

      3 2 1 0 × 2 4 9 6
6 8 9 0
 
       2j3×.3j.5 1j2 3j4 .5
¯0.9J1.9 ¯4J7 ¯6J17 1J1.5