Re: [Gnuplot-info] plotting points using a line of best fit function

[Thomas S. <t.s...@fz...>]

Ben Elliston <bje <at> air.net.au> writes:
> I have a line of best fit calculated using the "fit" command.  I'm
> trying to work out how to map new x axis values onto this function and
> plot these additional points.  If I do something like:
> 
>   plot f(3) with points
> 
> then I get a straight line at y=f(3).  Is there a way to plot (3,
> f(3)) instead?

if you don't mind to plot 100 points at the same place
(no problem, unless you use a pen plotter):

plot "+" using (3),(f(3)) with points