Discussion: new operators for numerical computation

[Gregory Lielens]

> >>Robin Becker wrote:
> >...
> I forgot to mention that the physicists sometimes use
> an outer or cross product like
> (a1,a2,a3) cross (b1,b2,b3) --> (a2b3-b3a2,a3b1-a1b3,a1b2-a2b1)
> --
> Robin Becker


This one I know :-)))
But it is so specific (usefull mainly for  vector of dim 2 -> result is
scalar, or 3 -> result is vector of dim 3)
that I would define a (very simple!) cross(v1,v2) function...