CVSROOT: /cvs/purrs
Module name: purrs
Changes by: zolo(a)cs.unipr.it 2002-10-25 12:12:07
Modified files:
src : rr_solver.cc
Log message:
Activated the function in order to solve first order recurrence relation
with variable coefficient.
Patches:
http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/purrs/src/rr_solver.cc.diff?cvsro…
-------- Original Message --------
Subject: Re: Problems with ginsh
Date: Thu, 24 Oct 2002 19:06:58 +0200
From: Christian Bauer <cbauer(a)zino.physik.uni-mainz.de>
Reply-To: ginac-list(a)zino.physik.uni-mainz.de
To: ginac-list(a)zino.physik.uni-mainz.de
References: <3DB3FC9A.D6F61442(a)prmat.math.unipr.it>
Hi!
On Mon, Oct 21, 2002 at 03:09:45PM +0200, Alessandro Zaccagnini wrote:
> I was working with ginsh and the following happened
>
> > a = 1 + x - x^2;
> 1+x-x^2
> > b = (1+sqrt(5))/2;
> 1/2+1/2*sqrt(5)
> > subs(a,x==b);
> 3/2-(1/2+1/2*sqrt(5))^2+1/2*sqrt(5)
> > expand(%);
> 5/4-1/4*5
Fixed.
Bye,
Christian
--
/ Coding on PowerPC and proud of it
\/ http://www.uni-mainz.de/~bauec002/
--
Prof. Roberto Bagnara
Computer Science Group
Department of Mathematics, University of Parma, Italy
http://www.cs.unipr.it/~bagnara/
mailto:bagnara@cs.unipr.it
CVSROOT: /cvs/purrs
Module name: purrs
Changes by: zolo(a)cs.unipr.it 2002-10-24 19:12:16
Modified files:
. : TODO.tex
Log message:
Added the problem about the initialization mechanism
of the symbolic functions that we want to signal to ginac.
Patches:
http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/purrs/TODO.tex.diff?cvsroot=purrs…