Re: [Gnuplot-info] could gnuplot provide some specific functions?

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

because a function assigns one (or no) y-value to a x-value.
a vertical line can not be described by a function.


bsmile wrote:
> 
> say, vertical line, which can draw a vertical line at specific x position
> automatically ranging through the plotted region? So far, vertical lines
> can be drawn, but have to be tricky, if not lengthy. Since gnuplot is
> famous for its convenience, why not introduce a simple function to
> accomplish plotting vertical lines? 
> 

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