Mathematica 9 is now available

Documentation / Mathematica / Built-in Functions / Mathematical Functions / Hypergeometric Related /

ExpIntegralEi

FilledSmallSquare ExpIntegralEi[z] gives the exponential integral function .

FilledSmallSquare Mathematical function (see Section A.3.10).

FilledSmallSquare , where the principal value of the integral is taken.

FilledSmallSquare ExpIntegralEi[z] has a branch cut discontinuity in the complex z plane running from to .

FilledSmallSquare See Section 3.2.10.

FilledSmallSquare See also: ExpIntegralE, Erf, LogIntegral, SinIntegral, CosIntegral.

FilledSmallSquare New in Version 1.

Further Examples



Any questions about topics on this page? Click here to get an individual response.Buy NowMore Information
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.