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• Comput. Appl. Math. 30 (3) • 2011 • https://doi.org/10.1590/S1807-03022011000300008   copy

The quotient of gamma functions by the psi function

Authorship SCIMAGO INSTITUTIONS RANKINGS

The aim of this paper is to construct the asymptotic series of the ratio of gamma functions by Kershaw then to deduce some sharp estimates. Mathematical subject classification: 33B15, 05A16, 26D15.

gamma function; digamma function; inequalities; asymptotic series; rate of convergence

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