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gnuplot Cookbook by Lee Phillips

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Plotting a function

gnuplot can be used as a tool to interactively explore the structure of mathematical functions, as well as to create illustrations for publication or education. It has built-in knowledge of both elementary functions, such as sine and cosine, and some special functions, such as Bessel functions and elliptic integrals. The following figure shows the plotting of the besj0(x) function:

Plotting a function

Getting ready

Start up an interactive gnuplot session and make sure that your graphic terminal of choice is selected, and working, using the set term command (for example, at the console you simply type gnuplot, and, to change the default terminal to ...

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