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MathGroup Archive 2001

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extra vertical lines showing up in plots

  • To: mathgroup at smc.vnet.net
  • Subject: [mg30516] extra vertical lines showing up in plots
  • From: Don L Taylor <dont at pdx.edu>
  • Date: Fri, 24 Aug 2001 20:58:10 -0400 (EDT)
  • Organization: Portland State University
  • Sender: owner-wri-mathgroup at wolfram.com

I'm doing fairly straightforward plots, for example:

\!\(\(Plot[\[Theta]\^4\ Exp[\(-7\)\ \[Theta]], {\[Theta], 0.46, 0.9}, 
      DisplayFunction -> $DisplayFunction, PlotRange -> All, 
      AspectRatio -> 1, PlotLabel -> "\<Observed Data Likelihood\>", 
      Frame -> True, 
      FrameLabel -> {"\<Parameter \[Theta]\>", "\<Likelihood\>"}, 
      PlotStyle -> RGBColor[0, 1, 0]];\)\)

But now and then I get "extra" vertical lines that show up in the plot.
This one at the moment has a vertical line for Theta=0.5.

It doesn't appear to be a grid, if I expand the plot range to be from
0 to 2 there is no grid present, and no vertical line either for that
particular plot range.  Even tweaking the range a little bit can make
the lines appear or disappear.  But I really need some fixed ranges
to not have these lines present.

Anyone have any ideas about what I can do to stop these?

Version 4.0.2.0 under Win98, gobs of memory, Matrox G200 video card.

Thanks


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