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MathGroup Archive 2007

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Re: Any way to exclude branch-cut fills in this plot?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80427] Re: [mg80409] Any way to exclude branch-cut fills in this plot?
  • From: DrMajorBob <drmajorbob at bigfoot.com>
  • Date: Wed, 22 Aug 2007 04:44:26 -0400 (EDT)
  • References: <11681919.1187707179417.JavaMail.root@m35>
  • Reply-to: drmajorbob at bigfoot.com

If you know where the branches are, use the Exclusions option.

Bobby

On Tue, 21 Aug 2007 04:10:26 -0500, chuck009 <dmilioto at comcast.com> wrote:

> Here's a principle sheet plot of the Mathieu complex exponent:
>
> p4 = ParametricPlot3D[
>      {Re[z], Im[z], Evaluate[Im[MathieuCharacteristicA[3, z]]]} /.
>        z -> r*Exp[I*t], {r, -10, 10}, {t, 0, 2*Pi},
>   PlotPoints -> {40, 40},
>      PlotRange -> All, Mesh -> All]
>
> Note the cliffs at the branch-cuts.  Can anyone suggest a method to  
> remove the fill to obtain a nice clean plot?
>
> Thanks!
> Charles
>
>



-- 

DrMajorBob at bigfoot.com


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