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ExpIntegralE






Mathematica Notation

Traditional Notation









Gamma, Beta, Erf > ExpIntegralE[nu,z] > Specific values > Specialized values > For fixed z





http://functions.wolfram.com/06.34.03.0015.01









  


  










Input Form





ExpIntegralE[n, z] == z^(n - 1) ((1/(-1 + n)!) ((-1)^n (ExpIntegralEi[-z] + (1/2) (Log[-(1/z)] - Log[-z]) + Log[z])) + Sum[z^k/Pochhammer[1 - n, k + n], {k, 0, -n}]/E^z - Sum[z^k/Pochhammer[1 - n, k + n], {k, 1 - n, -1}]/E^z) /; Element[n, Integers]










Standard Form





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MathML Form







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Rule Form





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Date Added to functions.wolfram.com (modification date)





2002-12-18





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