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Fungrim entry: 453c11

poleszCψ ⁣(z)={0,1,}\mathop{\operatorname{poles}\,}\limits_{z \in \mathbb{C}} \psi\!\left(z\right) = \{0, -1, \ldots\}
TeX:
\mathop{\operatorname{poles}\,}\limits_{z \in \mathbb{C}} \psi\!\left(z\right) = \{0, -1, \ldots\}
Definitions:
Fungrim symbol Notation Short description
DigammaFunctionψ ⁣(z)\psi\!\left(z\right) Digamma function
CCC\mathbb{C} Complex numbers
ZZLessEqualZn\mathbb{Z}_{\le n} Integers less than or equal to n
Source code for this entry:
Entry(ID("453c11"),
    Formula(Equal(Poles(DigammaFunction(z), ForElement(z, CC)), ZZLessEqual(0))))

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2021-03-15 19:12:00.328586 UTC