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gnuplot Cookbook by Lee Phillips

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Plotting multiple curves

You will often want to plot more than one curve on a single graph, all sharing the same axes. This is simple in gnuplot: just separate the functions or datafiles by commas, and gnuplot will plot them in a sequence of colors or curve styles, with a legend so you can identify them. The following figure shows the plotting of multiple curves:

Plotting multiple curves

Getting ready

It will be useful to have some datafiles on your disk for use with some of the plotting recipes. You could make them by hand with a text editor or write a program in your favorite language to generate them, but gnuplot can do this itself. To make a file with data that forms ...

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