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Simple, accurate, asymptotic estimates for the ratio of two Gamma functions
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas ( IF 1.8 ) Pub Date : 2021-01-05 , DOI: 10.1007/s13398-020-00962-9 Vito Lampret
中文翻译:
两个伽玛函数之比的简单,准确,渐近估计
更新日期:2021-01-05
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas ( IF 1.8 ) Pub Date : 2021-01-05 , DOI: 10.1007/s13398-020-00962-9 Vito Lampret
Several new, accurate, asymptotic estimates for the ratio of two Gamma functions, \(Q_{\varGamma }(x,a,b):=\frac{\varGamma (x+a)}{\varGamma (x+b)}\), are obtained on the basis of Stirling’s approximation formula for the \(\varGamma \) function.
中文翻译:
两个伽玛函数之比的简单,准确,渐近估计
关于两个伽玛函数的比率的几个新的,精确的渐近估计\(Q _ {\ varGamma}(x,a,b):= \ frac {\ varGamma(x + a)} {\ varGamma(x + b) } \)是基于\(\ varGamma \)函数的斯特林逼近公式得出的。