New asymptotics for the zeros of Whittaker's functions

被引:6
|
作者
Gabutti, B
Gatteschi, L
机构
[1] Univ Turin, Dipartimento Matemat, I-10123 Turin, Italy
[2] Acad Sci Turin, I-10123 Turin, Italy
关键词
Whittaker functions; Laguerre polynomials; zeros; Liouville-Green approximation;
D O I
10.1023/A:1014094732209
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Uniform asymptotic representations for the zeros of the Whittaker functions M-K,M-mu(z) and W-K,W-mu (z) are derived from well-known uniform asymptotic expansions. The approximation formulas involve the zeros of Bessel or Airy functions.
引用
收藏
页码:159 / 170
页数:12
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