scipy.special.shichi

scipy.special.shichi(x[, out1, out2]) = <ufunc 'shichi'>

shichi(x)

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.