Re: Numerical implicit function plotting

*Subject*: [mg974] Re: Numerical implicit function plotting*From*: edg at wam.umd.edu (Ezra Greenberg)*Date*: Thu, 4 May 1995 05:44:31 -0400*Apparently-to*: mathgroup-send at christensen.cybernetics.net*Organization*: University of Maryland College Park

In <3nv9vq$9g8 at news0.cybernetics.net>, Zorro <berriz at husc.harvard.edu> writes: > >Hi. I have a smooth function f(x,y,z), such that for all (x,y) within >some rectangular region S, a unique z exists such that f(x,y,z) = 0. >I would like to have Mathematica *numerically* plot this implicit >function on S, but I can't figure out how to do it. I've looked in my >Mathematica documentation without success (maybe I'm not looking in >the right places). Is it possible to do this in Mathematica? If yes, >where can I read up on it? > >Thanks in advance! > >Z. > > Perhaps ineffient, but you can create a table Table[{x,y, z /. FindRoot[...]},...] and then do a ListPlot. (Note that you will probably have to "Flatten" the list before you plot). Ezra D. Greenberg Department of Economics University of Maryland at College Park edg at wam.umd.edu