thanks for your reply, unfortunately it didn't help
btw, the whole reason to write M as M=P.L.invert(P) is that L is a
diagonal matrix, so ^^ and ^ are the same.
thanks for your help (and for Dodier's as well)!
do you (or someone else) has some other ideas?
On 14/04/2008, Stavros Macrakis <macrakis at alum.mit.edu> wrote:
> In reply to Mon, Apr 14, 2008 at 8:25 AM, Viktor Nagy <viktor.nagy at gmail.com>
>
>
> You write:
>
> > M(K) := P.L^(K-1).invert(P)$
>
>
> I think you want L^^(K-1), the matrix power, not L^(K-1), the
> element-wise power. By the way, you can also write invert(x) as
> x^^-1, though there are some subtle differences.
>
>
> -s
>