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Re: PlotPoints in plot


Hi,

the best what you can get is

Plot[Sqrt[1 - x^2], {x, -1, 1}, PlotPoints -> 3, PlotDivision -> 1]

Regards
  Jens

"G.L.Narasimham" wrote:
> 
> For the plot command  Plot[Sqrt[1-x^2],{x,-1,1},PlotPoints->3]
> I expected to see a triangle joining 3 points on a circle, but a
> continuous line ( default PlotPoints->20? )appears. However,
> ParametricPlot3D[{Cos[t],Sin[t],0},{t,0,Pi},PlotPoints->3,ViewPoint->{0,0,5}]
> gives a triangle. How to get a polygon of straight sides in the
> unparametered Plot?


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