Re: [R] how to plot implicit functions

2008-12-29 Thread Duncan Murdoch
YIHSU CHEN wrote: Dear R users -- I think this question was asked before but there was no reply to it. I would appreciate any suggestion any of you might have. I am interested in plotting several "implicit functions" (F(x,y,z)=0) on the same fig. Is there anyone who has an example code of h

Re: [R] how to plot implicit functions

2008-12-27 Thread Fabrizio Berloco
If you are lucky, try draw3d function of maxima: (http://www.telefonica.net/web2/biomates/maxima/gpdraw/) load(draw); draw3d(implicit(2=(cos(x+%phi*y)+cos(x-%phi*y)+cos(y+%phi*z)+cos(y-%phi*z)+cos(z-%phi*x)+cos(z+%phi*x)),x,-4,4,y,-4,4,z,-4,4), enhanced3d = true, palette =

Re: [R] how to plot implicit functions

2008-12-27 Thread Fabrizio Berloco
YIHSU CHEN-3 wrote: > > Dear R users -- > > I think this question was asked before but there was no reply to it. > I would appreciate any suggestion any of you might have. I am > interested in plotting several "implicit functions" (F(x,y,z)=0) on > the same fig. Is there anyone who has an

Re: [R] how to plot implicit functions

2008-12-12 Thread David Winsemius
The answer I have seen before on this list (but cannot find at the moment) was a suggestion to solve for one of the variables in terms of the other two and then plot with standard 3d plotting routines. I also seem to remember that some of the examples in an RGL vignette had examples of grap

[R] how to plot implicit functions

2008-12-11 Thread YIHSU CHEN
Dear R users -- I think this question was asked before but there was no reply to it. I would appreciate any suggestion any of you might have. I am interested in plotting several "implicit functions" (F(x,y,z)=0) on the same fig. Is there anyone who has an example code of how to do this? Than