adjust the number of samples such that the x-binning contains -1.0 and 1.0:
set samples 337
plot [-1.05:1.05] sqrt(1-x**2), -sqrt(1-x**2)
> I have two functions drawn by command:
> plot [1.05:1.05] sqrt(1-x**2), -sqrt(1-x**2)
> this is correct for x values: x > -1 and x < 1
> on the drawing, this functions not ends in points -1 and 1, but somewhere
> else. depends on my range. gnuplot have some calculation points and draws
> function only to point before value 1. i want to be able to change number
> of calculation points for big number or precise where will be some
> calcuation points. because i want as a result drawing with functions
> ending closest to points -1 and 1.
> how to do it?
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