info prev up next book cdrom email home



\begin{figure}\begin{center}\BoxedEPSF{ShiReIm.epsf scaled 700}\end{center}\end{figure}

\mathop{\rm Shi}(z)=\int_0^z {\sinh t\over t}\,dt.

The function is given by the Mathematica ${}^{\scriptstyle\circledRsymbol}$ (Wolfram Research, Champaign, IL) command SinhIntegral[z].

See also Chi, Cosine Integral, Sine Integral


Abramowitz, M. and Stegun, C. A. (Eds.). ``Sine and Cosine Integrals.'' §5.2 in Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, pp. 231-233, 1972.

© 1996-9 Eric W. Weisstein