On Thu, May 21, 2009 at 08:36:27PM +1000, Kon Knafelman wrote: > > I have coded the following polynomial function > > y= function(x) x^3-2*x^2+1 > > I need to find the inverse of this, but the code i am using now isnt > returning what i want it to. > This function is not injective, so the inverse does not exist. For example, y==0.5 has three solutions: -0.452, 0.597, 1.855
______________________________________________ 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.
