14 lines
358 B
Plaintext
14 lines
358 B
Plaintext
integrate(fun, min, max) = {
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// assume that min and max are integers.
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epsilon = 1
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l = max - min
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meanF(t) = fun(t)
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intervals = map(List.upTo(0, (l/epsilon)), ({|n| min + n*epsilon}))
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values = map(intervals, ({ |x | meanF(x)}))
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result = reduce(values, 0, ({|acc, x| acc + x})) * epsilon
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result
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}
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f(x) = x
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integrate(f, 1, 100k)
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