Re: [R] equalize function with zero and convert it

2010-08-26 Thread Immanuel Seeger
] Gesendet: Donnerstag, 26. August 2010 14:56 An: Immanuel Seeger Cc: r-help@r-project.org Betreff: Re: [R] equalize function with zero and convert it On Thu, Aug 26, 2010 at 6:57 AM, Immanuel Seeger wrote: > Dear all, > I want to equalize a symbolic derivative (of a function with two > variab

Re: [R] equalize function with zero and convert it

2010-08-26 Thread Gabor Grothendieck
can I refer to the first solution of expression? > Thanks a lot! > > -Ursprüngliche Nachricht- > Von: Gabor Grothendieck [mailto:ggrothendi...@gmail.com] > Gesendet: Donnerstag, 26. August 2010 14:56 > An: Immanuel Seeger > Cc: r-help@r-project.org > Betreff: Re: [

Re: [R] equalize function with zero and convert it

2010-08-26 Thread Gabor Grothendieck
On Thu, Aug 26, 2010 at 6:57 AM, Immanuel Seeger wrote: > Dear all, > I want to equalize a symbolic derivative (of a function with two > variables) with zero and convert it to a variable, e.g. x. > > I'm computing the derivative by: (found it in the archive) > library(Ryacas) > f <- function(x,y)