DLMF:8.6.E4 (Q2518): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
 
Property / Symbols used
 
Property / Symbols used: Q11324 / rank
 
Normal rank
Property / Symbols used: Q11324 / qualifier
 
Defining formula:

a 𝑎 {\displaystyle{\displaystyle a}}

a
Property / Symbols used: Q11324 / qualifier
 
xml-id: C8.S1.XMD3.m1cdec

Latest revision as of 13:42, 2 January 2020

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DLMF:8.6.E4
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    Statements

    Γ ( a , z ) = z a e - z Γ ( 1 - a ) 0 t - a e - t z + t d t , incomplete-Gamma 𝑎 𝑧 superscript 𝑧 𝑎 superscript 𝑒 𝑧 Euler-Gamma 1 𝑎 superscript subscript 0 superscript 𝑡 𝑎 superscript 𝑒 𝑡 𝑧 𝑡 𝑡 {\displaystyle{\displaystyle\Gamma\left(a,z\right)=\frac{z^{a}e^{-z}}{\Gamma% \left(1-a\right)}\int_{0}^{\infty}\frac{t^{-a}e^{-t}}{z+t}\mathrm{d}t,}}
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    DLMF:8.6.E4
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    | ph z | < π phase 𝑧 𝜋 {\displaystyle{\displaystyle|\operatorname{ph}z|<\pi}}
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    a < 1 𝑎 1 {\displaystyle{\displaystyle\Re a<1}}
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    Γ ( z ) Euler-Gamma 𝑧 {\displaystyle{\displaystyle\Gamma\left(\NVar{z}\right)}}
    C5.S2.E1.m2adec
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    π {\displaystyle{\displaystyle\pi}}
    C3.S12.E1.m2aadec
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    d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
    C1.S4.SS4.m1acdec
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    e {\displaystyle{\displaystyle\mathrm{e}}}
    C4.S2.E11.m2acdec
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    Γ ( a , z ) incomplete-Gamma 𝑎 𝑧 {\displaystyle{\displaystyle\Gamma\left(\NVar{a},\NVar{z}\right)}}
    C8.S2.E2.m2adec
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    {\displaystyle{\displaystyle\int}}
    C1.S4.SS4.m3acdec
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    ph phase {\displaystyle{\displaystyle\operatorname{ph}}}
    C1.S9.E7.m1adec
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    absent {\displaystyle{\displaystyle\Re}}
    C1.S9.E2.m1abdec
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    z 𝑧 {\displaystyle{\displaystyle z}}
    C8.S1.XMD2.m1cdec
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    a 𝑎 {\displaystyle{\displaystyle a}}
    C8.S1.XMD3.m1cdec
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