Logarithmic integral function: Difference between revisions

Revision as of 19:32, 24 July 2010

Revision as of 11:26, 31 July 2010

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\quad \text{ for } u \ne 0 \; , </math>

where γ ≈ 0.57721 56649 01532 ... is the [[Euler–Mascheroni gamma constant]]. A more rapidly convergent series due to [[Srinivasa Ramanujan|Ramanujan]] <ref>{{CitationMathWorld needed|date urlname=LogarithmicIntegral | title=JulyLogarithmic 2007Integral}}</ref> is

:<math>

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== References ==

<references/>

*{{AS ref|5|228}}

*{{dlmf|id=6|title=Exponential, Logarithmic, Sine, and Cosine Integrals|first=N. M. |last=Temme}}