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 [EMAIL PROTECTED] http://www.street-artists.org/~dlakelan ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.