PlotPoints Question

*To*: mathgroup at smc.vnet.net*Subject*: [mg13455] PlotPoints Question*From*: "Kevin J. McCann" <kevinmccann at home.com>*Date*: Fri, 24 Jul 1998 01:45:40 -0400*Sender*: owner-wri-mathgroup at wolfram.com

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 p1//FullForm You will see that 19 points are actually used. Given all that, what does the PlotPoints option really do? Kevin