2D Array Product

[SteveChandler]

What's the best way to solve the problem below? I'm not even sure how to describe it other than I want the "product" of a 2D array. A picture is the best way to illustrate what I want to do.

[Darin.K · Accepted solution]

A Cartesian Product by any other name is still the same.  Simple mod of my inplace version of the CP.