Re: plotting circles

[Petr M. <mi...@ph...>]

> I am trying to draw circles arount points and I
> cannot!
> I am thinking about parametric functions like
> f(x) = sqrt(1-x**2) and g(x)=-sqrt(1-x**2)
> and then to use "filledcurves  closed" but it's not
> working.
> Do you can help me?

These are not parametric curves, but this works:
  set samples 2000
  plot f(x) with filledcurves y1=0, g(x) with filledcurv y1=0

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PM