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Exponential integral

In mathematics, the exponential integral ⁠ Ei {\displaystyle \operatorname {Ei} } ⁠ is a special function on the complex plane. It is defined as one particular definite integral of the ratio between an exponential function and its argument.

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Definitions

Properties

Inverse function of the exponential integral

Applications

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Exponential integral

Nodes47
Edges46
Triples164
Avg. degree1.96
Density0.042553
Components1

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Exponential integral

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related to References · 115
Exponential integral → Abramowitz, Acta Astronomica, Advanced, Allan, Andrews, Appl, Applic, Archived, Asymptotic Expansions, Bahman, Bender, Berlin, Berndt, Bibcode, Bleistein, Boisvert, Born, Bruce, Busbridge, Cahill
related to External links · 17
Exponential integral → Cosine Integrals, DLMF, Ei, EMS Press, En-Function, Encyclopedia, Eric, Exponential, Generalized Exponential IntegralWeisstein, Integral, Logarithmic, Mathematics, MathWorld, NIST, Sine, Weisstein, Wolfram Functions Site
related to Approximations · 10
Exponential integral → Barry, Euler, Hastings, Mascheroni, Ohija, The, The Allen, The Swamee, There, These
related to Relation with other functions · 7
Exponential integral → Another, Arg, But, Ei, In, Kummer's, The
related to Inverse function of the exponential integral · 6
Exponential integral → Ei, For, Inverse, Ramanujan, Soldner, We
related to Definitions · 5
Exponential integral → Cauchy, Ei, For, The, The Risch
related to Generalization · 3
Exponential integral → Gamma, Misra, The
related to Properties · 1
Exponential integral → Several

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Important terminology

displaystyle exponential ei integral function frac operatorname infty ln functions doi values dt left right integrals isbn real -x 10

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Exponential integralrelated to ApproximationsThere0.60section
Exponential integralrelated to ApproximationsThese0.60section
Exponential integralrelated to ApproximationsThe Swamee0.60section
Exponential integralrelated to ApproximationsOhija0.60section
Exponential integralrelated to ApproximationsThe Allen0.60section
Exponential integralrelated to ApproximationsHastings0.60section
Exponential integralrelated to ApproximationsThe0.60section
Exponential integralrelated to ApproximationsBarry0.60section
Exponential integralrelated to ApproximationsEuler0.60section
Exponential integralrelated to ApproximationsMascheroni0.60section
Exponential integralrelated to DefinitionsFor0.60section
Exponential integralrelated to DefinitionsEi0.60section

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