Maybe this will help you get started:
(%i1) diff(matrix([1,x],[x^2,x^3]),x);
(%o1) matrix([0,1],[2*x,3*x^2])
(%i2) diff(matrix([1,x],[x^2,x^3]),x,2);
(%o2) matrix([0,0],[2,6*x])
Let us know if it doesn't.
Barton
-----maxima-bounces at math.utexas.edu wrote: -----
>To: maxima at math.utexas.edu
>From: "Umut TABAK" <umut.tabak at gmail.com>
>Sent by: maxima-bounces at math.utexas.edu
>Date: 01/16/2008 05:51PM
>Subject: derivative of a matrix
>
>Dear all,
>
>I am a rather new user. I am trying to take the derivative of a matrix
>w.r.t a variable, say ksi,
>
>but diff(Matrix,ksi,2)
>
>does not seem to work.
>
>Any help is appreciated
>
>Rgds,
>
>
>Umut
>
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