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Re: Plotting a hyperbolic paraboloid (saddle)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg78967] Re: [mg78914] Plotting a hyperbolic paraboloid (saddle)
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Fri, 13 Jul 2007 06:19:02 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

$Version

6.0 for Mac OS X x86 (32-bit) (June 19, 2007)

ParametricPlot3D[{u, v, u*v}, {u, -1, 1}, {v, -1, 1}]

With[{a = 1, b = 1}, 
 ContourPlot3D[
  z == y^2/b^2 - x^2/a^2, {x, -1, 1}, {y, -1, 1}, {z, -1, 1}]]


Bob Hanlon

---- "William S." <wschacht47 at att.net> wrote: 
> Does anyone know how to plot a hyperbolic paraboloid? 
> 
> 



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