SciPy

scipy.special.shichi

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

Hyperbolic sine and cosine integrals

Returns :

shi :

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

chi :

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

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