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I'd like to plot some function f(x) where f(x) = x for 0 <= x <= a, and -2 otherwise. And I'd to plot it on a graph with x axes between two arbitrary points.

How would I go about doing this with gnuplot?

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1 Answer 1

Try something like:

set xrange [ -4 : 4 ]


plot [ -4 : 4 ] f(x)
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