Plotting a Single Point with Gnuplot

Sometimes simple things can be very hard to do. For instance plotting a single point with gnuplot. Luckily, there are two horrible hacks which allow you to accomplish this from the gnuplot prompt (putting the point’s coordinates in a file is of course just the easy way out…).

Method 1:
gnuplot> plot “< echo ‘x   y’”

(Set x and y to your point’s x and y coordinate)

Method 2:
gnuplot> plot “-”     (press shift enter)
x    y        (press enter)

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