DLMF:5.15.E1 (Q2170): Difference between revisions

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imported>Admin
Property / constraint
 

z 0 , - 1 , - 2 , 𝑧 0 1 2 {\displaystyle{\displaystyle z\neq 0,-1,-2,\dots}}

z\neq 0,-1,-2,\dots
Property / constraint: z 0 , - 1 , - 2 , 𝑧 0 1 2 {\displaystyle{\displaystyle z\neq 0,-1,-2,\dots}} / rank
 
Normal rank

Revision as of 16:06, 30 December 2019

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DLMF:5.15.E1
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    Statements

    ψ ( z ) = k = 0 1 ( k + z ) 2 , diffop digamma 1 𝑧 superscript subscript 𝑘 0 1 superscript 𝑘 𝑧 2 {\displaystyle{\displaystyle\psi'\left(z\right)=\sum_{k=0}^{\infty}\frac{1}{(k% +z)^{2}},}}
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    z 0 , - 1 , - 2 , 𝑧 0 1 2 {\displaystyle{\displaystyle z\neq 0,-1,-2,\dots}}
    0 references