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Bug in Spherical Plot 3D, Mathematica version 7

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126809] Bug in Spherical Plot 3D, Mathematica version 7
  • From: snowyphile <dtorney at valornet.com>
  • Date: Fri, 8 Jun 2012 03:39:27 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

The following should yield a hemisphere:  - 2 Pi/5 \le \[Phi] \le 3 Pi/
5.

SphericalPlot3D[UnitStep[{Sin[\[Phi]] Sin[\[Theta]], Cos[\[Phi]] Sin[\
[Theta]],
    Cos[\[Theta]]}.{Cos[2 Pi/5], Sin[2 Pi/5], 0}],
 {\[Phi], 0, 2 Pi}, {\[Theta], 0, Pi}]

What I get, on my Mac, OS 10.7.4, looks like a helmet.  I could send
you a copy of the plot by e-mail.

I have low expectations for Mathematica, but they just bottomed out.



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