From: Barry Rowlingson <B.Rowlingson_at_lancaster.ac.uk>

Date: Sat 10 Jul 2004 - 02:44:40 EST

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 10 02:59:45 2004

Date: Sat 10 Jul 2004 - 02:44:40 EST

Stephane Dray wrote:

> For example:

*> I would like to obtain x1 from:
**> x1+x2=8 (x1=8-x2)
**>
**> x1^2+x2=8 (x1=sqrt(8-x2))
**>
**>
**> Is is possible in R ? if not, do you know a (free) software that could do the job ?
*

You want a computer algebra system. Try 'maxima', free, and from here:

http://maxima.sourceforge.net/

Of course its possible to do in R, you'd just have to rewrite most of maxima....

Barry

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 10 02:59:45 2004

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