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Re: PlotPoints Question

  • To: mathgroup at
  • Subject: [mg13478] Re: [mg13455] PlotPoints Question
  • From: "Jurgen Tischer" <jtischer at>
  • Date: Sun, 26 Jul 1998 02:33:38 -0400
  • Sender: owner-wri-mathgroup at

Hi Kevin,
I think the answer is contained in the help text for PlotPoints:

"In Plot, an adaptive procedure is used to choose more sample points."


-----Original Message-----
From: Kevin J. McCann <kevinmccann at> To: mathgroup at
Subject: [mg13478] [mg13455] PlotPoints Question

>I wrote a routine the other day to display the points that Plot actually
>uses. Much to my surprise, when I set PlotPoints to some number like 5,
>I found that more than this number were actually used.
>For example, try this
>p1 = Plot[x^2, {x, 0, 2}, PlotPoints ->5, PlotRange ->All];
>and then to
>You will see that 19 points are actually used. Given all that, what does
>the PlotPoints option really do?

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