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DLMF:6.11.E1 - MaRDI portal

DLMF:6.11.E1 (Q2984)

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DLMF:6.11.E1
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    Statements

    DLMF defining formula
    E 1 ⁡ ( z ) = Γ ⁡ ( 0 , z ) . exponential-integral 𝑧 incomplete-Gamma 0 𝑧 {\displaystyle{\displaystyle E_{1}\left(z\right)=\Gamma\left(0,z\right).}}
    0 references
    Symbols used
    exponential integral
    DLMF defining formula
    E 1 ⁡ ( z ) exponential-integral 𝑧 {\displaystyle{\displaystyle E_{1}\left(\NVar{z}\right)}}
    xml-id
    C6.S2.E1.m2adec
    0 references
    incomplete gamma function
    DLMF defining formula
    Γ ⁡ ( a , z ) incomplete-Gamma 𝑎 𝑧 {\displaystyle{\displaystyle\Gamma\left(\NVar{a},\NVar{z}\right)}}
    xml-id
    C8.S2.E2.m2adec
    0 references
    complex variable
    DLMF defining formula
    z 𝑧 {\displaystyle{\displaystyle z}}
    xml-id
    C6.S1.XMD2.m1dec
    0 references

    Identifiers

     
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