"Francois Labreque" wrote:
> [A][B] = [C]
>
> Premultiply both sides by the inverse of [A]

You've lost me. Too tricky for me.

> However, this only works for square matrices (if my math
> isn't too rusty).

AFAIK the matrixes in POV-Ray are square. the last column is always 0,0,0,1

> The macro coding is left to the student as an exercice. :)

But that's the tricky part! ...too!

I only know how to use matrixes in POV-Ray.
I don't have any general matrix knowledge at all. :(

Rune
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