Hi,

Am Sonntag, 07. Aug 2005, 18:06:07 +0900 schrieb walter a kehowski:
> How would I create a function that will take list (array) of integers and 
> return their cartesian product?

As long as you can be sure your arrays have the same length
you could use Array#transpose:

    va = [ 3,  5,  8,  7, 20]
    vb = [ 4, 12, 15, 24, 21]
    vc = [ va, vb].transpose
    vc.map { |a,b| Math.sqrt a*a+b*b }.each { |c| puts c }

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de