Invisible <voi### [at] dev null> wrote:
> Neeum Zawan wrote:
> > Oh dear. Use the determinant form - easiest to remember:
> >
> > http://en.wikipedia.org/wiki/Cross_product#Matrix_notation
> ...except that then I'd have to somehow remember the correct way to do
> matrix multiplication. (Something which I never get right with more than
> 50% probability...)
Then you just end up using left-handed coordinates for your cross product
rather than right-handed. In other words, it only affects the sign of the
result.
--
- Warp
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