Rigorous high-precision computation of the Hurwitz zeta function and its derivatives

Rigorous high-precision computation of the Hurwitz zeta function and its derivatives

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Article ID: iaor201526149
Volume: 69
Issue: 2
Start Page Number: 253
End Page Number: 270
Publication Date: Jun 2015
Journal: Numerical Algorithms
Authors:
Abstract:

We study the use of the Euler‐Maclaurin formula to numerically evaluate the Hurwitz zeta function ζ(s, a) for s , a equ1 , along with an arbitrary number of derivatives with respect to s, to arbitrary precision with rigorous error bounds. Techniques that lead to a fast implementation are discussed. We present new record computations of Stieltjes constants, Keiper‐Li coefficients and the first nontrivial zero of the Riemann zeta function, obtained using an open source implementation of the algorithms described in this paper.

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