DLMF:14.17.E19 (Q4900): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
 
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Property / Symbols used
 
Property / Symbols used: Q11589 / rank
 
Normal rank
Property / Symbols used: Q11589 / qualifier
 
Defining formula:

x 𝑥 {\displaystyle{\displaystyle x}}

x
Property / Symbols used: Q11589 / qualifier
 
xml-id: C14.S1.XMD1.m1qdec
Property / Symbols used
 
Property / Symbols used: Q11590 / rank
 
Normal rank
Property / Symbols used: Q11590 / qualifier
 
Defining formula:

ν 𝜈 {\displaystyle{\displaystyle\nu}}

\nu
Property / Symbols used: Q11590 / qualifier
 
xml-id: C14.S1.XMD8.m1ldec

Latest revision as of 13:26, 2 January 2020

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DLMF:14.17.E19
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    Statements

    1 Q ν ( x ) Q λ ( x ) d x = ψ ( λ + 1 ) - ψ ( ν + 1 ) ( λ - ν ) ( λ + ν + 1 ) , superscript subscript 1 shorthand-Legendre-Q-second-kind 𝜈 𝑥 shorthand-Legendre-Q-second-kind 𝜆 𝑥 𝑥 digamma 𝜆 1 digamma 𝜈 1 𝜆 𝜈 𝜆 𝜈 1 {\displaystyle{\displaystyle\int_{1}^{\infty}Q_{\nu}\left(x\right)Q_{\lambda}% \left(x\right)\mathrm{d}x=\frac{\psi\left(\lambda+1\right)-\psi\left(\nu+1% \right)}{(\lambda-\nu)(\lambda+\nu+1)},}}
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    DLMF:14.17.E19
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    ( λ + ν ) > - 1 𝜆 𝜈 1 {\displaystyle{\displaystyle\Re(\lambda+\nu)>-1}}
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    λ 𝜆 {\displaystyle{\displaystyle\lambda}}
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    ν - 1 , - 2 , - 3 , 𝜈 1 2 3 {\displaystyle{\displaystyle\nu\neq-1,-2,-3,\dots}}
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    d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
    C1.S4.SS4.m1ardec
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    ψ ( z ) digamma 𝑧 {\displaystyle{\displaystyle\psi\left(\NVar{z}\right)}}
    C5.S2.E2.m2afdec
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    {\displaystyle{\displaystyle\int}}
    C1.S4.SS4.m3ardec
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    absent {\displaystyle{\displaystyle\Re}}
    C1.S9.E2.m1addec
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    Q ν ( z ) = Q ν 0 ( z ) shorthand-Legendre-Q-second-kind 𝜈 𝑧 Legendre-Q-second-kind 0 𝜈 𝑧 {\displaystyle{\displaystyle Q_{\NVar{\nu}}\left(\NVar{z}\right)=Q^{0}_{\nu}% \left(z\right)}}
    C14.S2.SS2.p2.m5aadec
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    x 𝑥 {\displaystyle{\displaystyle x}}
    C14.S1.XMD1.m1qdec
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    ν 𝜈 {\displaystyle{\displaystyle\nu}}
    C14.S1.XMD8.m1ldec
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