Some properties of the psi and polygamma functions
Classical Analysis and ODEs
2010-08-03 v1
Abstract
In this paper, some monotonicity and concavity results of several functions involving the psi and polygamma functions are proved, and then some known inequalities are extended and generalized.
Cite
@article{arxiv.0903.1003,
title = {Some properties of the psi and polygamma functions},
author = {Feng Qi and Bai-Ni Guo},
journal= {arXiv preprint arXiv:0903.1003},
year = {2010}
}
Comments
11 pages