DLMF:6.6.E4 (Q2251): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Q11305 / rank
 
Normal rank
Property / Symbols used: Q11305 / qualifier
 
Defining formula:

z 𝑧 {\displaystyle{\displaystyle z}}

z
Property / Symbols used: Q11305 / qualifier
 
xml-id: C6.S1.XMD2.m1bdec

Revision as of 01:25, 2 January 2020

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DLMF:6.6.E4
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    Statements

    Ein ( z ) = n = 1 ( - 1 ) n - 1 z n n ! n , complementary-exponential-integral 𝑧 superscript subscript 𝑛 1 superscript 1 𝑛 1 superscript 𝑧 𝑛 𝑛 𝑛 {\displaystyle{\displaystyle\mathrm{Ein}\left(z\right)=\sum_{n=1}^{\infty}% \frac{(-1)^{n-1}z^{n}}{n!\thinspace n},}}
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    DLMF:6.6.E4
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    Ein ( z ) complementary-exponential-integral 𝑧 {\displaystyle{\displaystyle\mathrm{Ein}\left(\NVar{z}\right)}}
    C6.S2.E3.m2adec
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    ! {\displaystyle{\displaystyle!}}
    introduction.Sx4.p1.t1.r15.m5acdec
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    z 𝑧 {\displaystyle{\displaystyle z}}
    C6.S1.XMD2.m1bdec
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