Subject: Factoring matrix expressions, even trivial ones?
From: Paul Bowyer
Date: Fri, 03 May 2013 09:19:58 -0700
On 05/03/2013 06:30 AM, Henry Baker wrote:
> Is there any way for Maxima to factor 'a' back out of a*M, as below?
>
> Maxima 5.28.0-2 http://maxima.sourceforge.net
> using Lisp GNU Common Lisp (GCL) GCL 2.6.8 (a.k.a. GCL)
> Distributed under the GNU Public License. See the file COPYING.
> Dedicated to the memory of William Schelter.
> The function bug_report() provides bug reporting information.
> (%i1) M:transpose([x,y]);
> [ x ]
> (%o1) [ ]
> [ y ]
> (%i2) a*M;
> [ a x ]
> (%o2) [ ]
> [ a y ]
> (%i3) %,factor;
> [ a x ]
> (%o3) [ ]
> [ a y ]
> (%i4) ????
>
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>
Does this do want you want? (My ignorance might be showing)
M:transpose([x,y]);
M2:a*M;
M:M2/a;
Paul Bowyer