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MathGroup Archive 1995

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Re: Numerical implicit function plotting

  • To: mathgroup at christensen.cybernetics.net
  • Subject: [mg984] Re: Numerical implicit function plotting
  • From: wagner at bullwinkle.cs.Colorado.EDU (Dave Wagner)
  • Date: Thu, 4 May 1995 07:24:41 -0400
  • Organization: University of Colorado, Boulder

In article <3nv9vq$9g8 at news0.cybernetics.net>,
Zorro  <berriz at husc.harvard.edu> wrote:
>
>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.

There's a function called ContourPlot3D in one of the standard packages.
It allows you to specify which contours to plot (in this case, 0).

		Dave Wagner
		Principia Consulting
		(303) 786-8371
		princon at csn.net
		http://www.csn.net/princon


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