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Formula:8393

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Digital Library of Mathematical Functions ID 25.11.E26

ζ ⁡ ( s , a ) = - s ⁢ ∫ - a ∞ x - ⌊ x ⌋ - 1 2 ( x + a ) s + 1 ⁢ d x , Hurwitz-zeta 𝑠 𝑎 𝑠 superscript subscript 𝑎 𝑥 𝑥 1 2 superscript 𝑥 𝑎 𝑠 1 𝑥 {\displaystyle{\displaystyle\zeta\left(s,a\right)=-s\int_{-a}^{\infty}\frac{x-% \left\lfloor x\right\rfloor-\frac{1}{2}}{(x+a)^{s+1}}\mathrm{d}x,}}


Constraint(s)

- 1 < ℜ ⁡ s < 0 1 𝑠 0 {\displaystyle{\displaystyle-1<\Re s<0}}
- 1 < ℜ ⁡ s < 0 1 𝑠 0 {\displaystyle{\displaystyle-1<\Re s<0}}
0 < a ≤ 1 0 𝑎 1 {\displaystyle{\displaystyle 0<a\leq 1}}

Symbols List

  • ζ ⁡ ( s , a ) Hurwitz-zeta 𝑠 𝑎 {\displaystyle{\displaystyle\zeta\left(\NVar{s},\NVar{a}\right)}} : Hurwitz zeta function
  • d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}} : differential of x
  • ⌊ x ⌋ 𝑥 {\displaystyle{\displaystyle\left\lfloor\NVar{x}\right\rfloor}} :
  • ∫ {\displaystyle{\displaystyle\int}} : integral
  • ℜ ⁡ absent {\displaystyle{\displaystyle\Re}} : real part
  • x 𝑥 {\displaystyle{\displaystyle x}} : real variable
  • a 𝑎 {\displaystyle{\displaystyle a}} : real or complex parameter
  • s 𝑠 {\displaystyle{\displaystyle s}} : complex variable
  •  Edit this on Wikidata

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