A method to construct continued-fraction approximations and its applications

被引：0
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作者：
Chao-Ping Chen
H. M. Srivastava
Qin Wang
机构：
[1] Henan Polytechnic University,School of Mathematics and Informatics
[2] University of Victoria,Department of Mathematics and Statistics
[3] China Medical University,Department of Medical Research, China Medical University Hospital
[4] Azerbaijan University,Department of Mathematics and Informatics
来源：
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas | 2021年 / 115卷
关键词：
Gamma function; Digamma (or psi) function; Euler–Mascheroni constant; Asymptotic expansions; Continued-fraction approximations; Primary 11A55; 33B15; Secondary 11Y60;
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摘要：
In this paper, we provide a method to construct a continued-fraction approximation based upon a given asymptotic expansion. As applications of the method developed here, we establish several continued-fraction approximations for the gamma and the digamma (or psi) functions.
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