[R] How can R be used to solve algebra equations?

Daniel Lakeland dlakelan at street-artists.org
Thu Nov 29 23:07:45 CET 2007


On Thu, Nov 29, 2007 at 01:00:59PM -0800, francogrex wrote:
> 
> suppose I have this equation:
> (x^2+y^2+3z^3)/(5*z^2*x^3)=0
> 
> and I want to find x in relation to the other variables which actually is:
> 
> x=sqrt(-3*z^3-y^2) or x=-sqrt(-3*z^3-y^2)
> 
> Can R give me this expression solution? I know there is uniroot, but here I
> want the "expression" not the value, because I do  not have values for y and
> z.

I suggest the use of maxima rather than R. The two complement each
other very nicely: http://maxima.sf.net



-- 
Daniel Lakeland
dlakelan at street-artists.org
http://www.street-artists.org/~dlakelan



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