[R] analytic solution for equation
Barry Rowlingson
B.Rowlingson at lancaster.ac.uk
Fri Jul 9 18:44:40 CEST 2004
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
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