DLMF:8.4.E13 (Q2507)

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DLMF:8.4.E13
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    Statements

    Defining formula
    Γ ⁡ ( 1 - n , z ) = z 1 - n ⁢ E n ⁡ ( z ) , incomplete-Gamma 1 𝑛 𝑧 superscript 𝑧 1 𝑛 exponential-integral-En 𝑛 𝑧 {\displaystyle{\displaystyle\Gamma\left(1-n,z\right)=z^{1-n}E_{n}\left(z\right% ),}}
    0 references
    DLMF id
    DLMF:8.4.E13
    0 references
    Symbols used
    generalized exponential integral
    Defining formula
    E p ⁡ ( z ) exponential-integral-En 𝑝 𝑧 {\displaystyle{\displaystyle E_{\NVar{p}}\left(\NVar{z}\right)}}
    xml-id
    C8.S19.E1.m2adec
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    incomplete gamma function
    Defining formula
    Γ ⁡ ( a , z ) incomplete-Gamma 𝑎 𝑧 {\displaystyle{\displaystyle\Gamma\left(\NVar{a},\NVar{z}\right)}}
    xml-id
    C8.S2.E2.m2addec
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    Q11323
    Defining formula
    z 𝑧 {\displaystyle{\displaystyle z}}
    xml-id
    C8.S1.XMD2.m1kdec
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    Q11329
    Defining formula
    n 𝑛 {\displaystyle{\displaystyle n}}
    xml-id
    C8.S1.XMD6.m1fdec
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