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Re: Exceptions Style Problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86744] Re: [mg86699] Exceptions Style Problem
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Thu, 20 Mar 2008 02:52:26 -0500 (EST)
  • Reply-to: hanlonr at cox.net

This was covered recently on this list. 

I used Red for better contrast

y1 = ParametricPlot[folium[t], {t, -30, 30}, PlotRange -> {{-3, 3}, {-3, 3}}, 
  ExclusionsStyle -> Red, Exclusions -> t == -1]


Bob Hanlon

---- WetBlanket <Wyvern864 at gmail.com> wrote: 
> I generated a plot using this code:
> 
> folium[t_]:={3t/(1+t^3),3t^2/(1+t^3)};
> 
> y1=ParametricPlot[folium[t],{t,-30,30},PlotRange->{{-3,3},{-3,3}}]
> 
> It was a nice folium with the asymptote displayed.
> 
> Next I plotted
> 
> y1= ParametricPlot[folium[t], {t,-30,30},PlotRange->{{-3,3},
> {-3,3}},Exclusions->-1 ]
> 
> As expected this gave me the folium without the asymptote displayed.
> 
> Finally, I plotted
> 
> y1= ParametricPlot[folium[t], {t,-30,30},PlotRange->{{-3,3},{-3,3}}
> ,ExclusionsStyle->Blue,Exclusions->-1]
> 
> I expected to see the asymptote displayed in Blue, since the
> documentation for ExclusionsStyle says, "ExclusionsStyle is an option
> to plotting functions that specifies how to render subregions excluded
> according to Exclusions."
> 
> But, instead I get the folium without the asymptote displayed.
> 
> Can anyone help me understand what I am missing?
> 
> Thanks
> 
> Gary Boswell
> 



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