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MathGroup Archive 2007

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Re: Re: Re: A question about RegionFunction in ver. 6.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg77932] Re: [mg77880] Re: [mg77828] Re: A question about RegionFunction in ver. 6.0
  • From: Curtis Osterhoudt <cfo at lanl.gov>
  • Date: Wed, 20 Jun 2007 05:27:04 -0400 (EDT)
  • Organization: LANL
  • References: <f5042n$prd$1@smc.vnet.net> <200706181048.GAA19159@smc.vnet.net> <200706191032.GAA06949@smc.vnet.net>
  • Reply-to: cfo at lanl.gov

On Tuesday 19 June 2007 04:32:00 Lev Bishop wrote:
> On 6/18/07, ulises <ulises at wolfram.com> wrote:
> > This works in V6.0:
> >
> > p1 = Plot3D[
> >   Evaluate[Im[(z^2 - z^3)^(-1/3) /. z -> x + I y]], {x, -3,
> >    3}, {y, -3, 3}, AspectRatio -> 1,
> >   PlotRange -> {{-3, 3}, {-3, 3}, {-3, 3}}, BoxRatios -> {1, 1, 1},
> >   PlotPoints -> 23]
>
> FYI: I tried that on v6.0. It works the way you have it, but if I
> remove the PlotPoints option, then the kernel crashes every time!

I just tried it on 
$Version
"6.0 for Linux x86 (32-bit) (April 20, 2007)"

It does not crash the kernel here, but gives the 
orange-bracketed-with-pink-background version of the plot, indicating an 
error. The plot itself seems meshed correctly, but only a few of the polygons 
are half filled-in with color. The error message says: "Coordinate index 3205 
is out of range for the enclosing GraphicsComplex."

    I suspect it's a bug!

-- 
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Curtis Osterhoudt
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