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Asymptotic expansions of Kummer hypergeometric functions for large values of the parameters
Integral Transforms and Special Functions ( IF 0.7 ) Pub Date : 2021-02-23 , DOI: 10.1080/10652469.2021.1886094
Nico M. Temme 1, 2
Affiliation  

ABSTRACT

New asymptotic expansions are derived of the Kummer functions M(a,b,z) and U(a,b+1,z) for large positive values of a and b, with z fixed. For both functions we consider b/a1 and b/a1, with special attention for the case ab. We use a uniform method to handle all cases of these parameters.



中文翻译:

大参数值的 Kummer 超几何函数的渐近展开

摘要

新的渐近展开式是由 Kummer 函数导出的 (一个,,z)(一个,+1,z)对于ab 的大正值,z固定。对于这两个函数,我们考虑/一个1/一个1,特别注意案件 一个. 我们使用统一的方法来处理这些参数的所有情况。

更新日期:2021-02-23
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