sin_integral( z )

The hyperbolic sine integral of z in SageMath. Alias of Shi. Defined by

\[ \operatorname{Shi} (z) = \int_0^z du \: \frac{ \sinh(u) }{ u } \]

Plot on the real axis:

Series expansion about the origin:

Special values:

Related functions:   Shi

Function category: exponential integrals sagemath-docs