On Thu, Sep 18, 2008 at 12:09 PM, R.E. Boss <[EMAIL PROTECTED]> wrote:
> (b(i.~ ~.) a){ 0,~ #/.~a
> 1 0 3 3 1 2 2That's lots faster (on large data sets) than either of the suggestions I proposed. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
