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Numerical Methods for Special Functions
Amparo GilJavier SeguraNico M. Temme
出版SIAM, 2007-01-01
主題Mathematics / Mathematical AnalysisMathematics / Geometry / GeneralMathematics / Functional AnalysisMathematics / Numerical Analysis
ISBN08987178259780898717822
URLhttp://books.google.com.hk/books?id=WGHWBoX89doC&hl=&source=gbs_api
EBookSAMPLE
註釋Special functions arise in many problems of pure and applied mathematics, mathematical statistics, physics, and engineering. This book provides an up-to-date overview of numerical methods for computing special functions and discusses when to use these methods depending on the function and the range of parameters. Not only are standard and simple parameter domains considered, but methods valid for large and complex parameters are described as well. The first part of the book (basic methods) covers convergent and divergent series, Chebyshev expansions, numerical quadrature, and recurrence relations. Its focus is on the computation of special functions; however, it is suitable for general numerical courses. Pseudoalgorithms are given to help students write their own algorithms. In addition to these basic tools, the authors discuss other useful and efficient methods, such as methods for computing zeros of special functions, uniform asymptotic expansions, Pad? approximations, and sequence transformations. The book also provides specific algorithms for computing several special functions (like Airy functions and parabolic cylinder functions, among others).