[Maxima] and suddenly I get a matrix!

[Stavros Macrakis]

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