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MathGroup Archive 2000

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Re: Equation of a "potato"

  • To: mathgroup at
  • Subject: [mg24484] Re: Equation of a "potato"
  • From: mend0070 at (Philip C Mendelsohn)
  • Date: Wed, 19 Jul 2000 01:21:56 -0400 (EDT)
  • Organization: University of Minnesota, Twin Cities Campus
  • References: <8l0pbk$>
  • Sender: owner-wri-mathgroup at

Kevin J. McCann (Kevin.McCann at wrote:
: I am doing some illustrations for class notes on vector calculus. I
: would be nice to have some drawings for a "random" 3d shape, i.e.
: something that is fairly rounded and regular like a potato, but not as
: simple as a sphere. Any ideas for the an equation that would draw
: something like this?

What about making a ParametricPlot of a Sphere where the radius varies 
by a small random coefficient?

I'll see if I can play with this when I get near the computer.

Phil M
Lottery:    a tax on people who are bad at math

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