On 01/17/10 12:42, Orchid XP v8 wrote:
> All these years, I thought the correct way to compute the cross product
> of two vectors is
>
> x3 = y1 z2 - z1 y2
> y3 = x1 z2 - z1 x2
> z3 = x1 y2 - y1 x2

Oh dear. Use the determinant form - easiest to remember:

http://en.wikipedia.org/wiki/Cross_product#Matrix_notation

-- 
I'm addicted to placebos. I'd give them up, but it wouldn't make any 
difference. - Steven Wright

Post a reply to this message