Difference between revisions of "Relation between polygamma and Hurwitz zeta"

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(Created page with "<div class="toccolours mw-collapsible mw-collapsed"> <strong>Theorem:</strong> The following formula holds: $$\psi^{(m)}(z)=(-1)^{m+1} m! \zeta(m+1,z),$$ where $\psi^{(m)}$ de...")
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Revision as of 19:34, 3 June 2016

Theorem: The following formula holds: $$\psi^{(m)}(z)=(-1)^{m+1} m! \zeta(m+1,z),$$ where $\psi^{(m)}$ denotes the polygamma and $\zeta$ denotes the Hurwitz zeta function.

Proof: