This is documentation for an old release of SciPy (version 0.10.0). Read this page Search for this page in the documentation of the latest stable release (version 1.15.1).

scipy.special.shichi

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

(shi,chi)=shichi(x) returns the hyperbolic sine and cosine integrals: integral(sinh(t)/t,t=0..x) and eul + ln x + integral((cosh(t)-1)/t,t=0..x) where eul is Euler’s Constant.