On Tue, Sep 23, 2008 at 6:32 PM, Duncan Murdoch <[EMAIL PROTECTED]> wrote: >> The function curve() draws the graph of functions from R to R. Is >> there some homologous function to curve() to draw functions from R^2 >> to R? > > No, you would have to write it yourself. The basic idea is to use outer() > to construct a matrix of function evaluations, then plot the matrix using > persp, contour, image, rgl::persp3d, etc. There are examples on the > ?contour man page.
Thanks, Duncan. perps does what I was looking for. Paul ______________________________________________ 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.