SciPy

This is documentation for an old release of SciPy (version 0.17.1). Read this page in the documentation of the latest stable release (version 1.15.1).

scipy.special.sici

scipy.special.sici(x) = <ufunc 'sici'>

Sine and cosine integrals

Returns:

si

integral(sin(t)/t, t=0..x)

ci

eul + ln x + integral((cos(t) - 1)/t, t=0..x) where eul is Euler’s constant.

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