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Gnuplot
is a command-driven interactive function and data plotting program
which is included in many Unix distributions like Gnu/Linux. While often
used it as a graphics calculator its features go much beyond that.
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To start, type "gnuplot" from a terminal and type in
gnuplot> plot sin(x)
An other good start is
gnuplot> help example
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Example 1:
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An external
C program randdata.c
produces a data file, which is plotted by
the gnuplot program example1.gp .
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Example 2:
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The example example2.gp shows
how to plot a surface bounded by other surfaces.
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Example 3:
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The example example3.gp shows
how to plot level curves and how to redirect the output as a
ps file.
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Example 4:
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The example example4.gp shows
how to draw a graph as a LaTeX
picture.
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More examples can be found on
gnuplot-faq
site.
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