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Hadamard Expansions and Hyperasymptotic Evaluation : an Extension of the Method of Steepest Descents /
"The author describes the recently developed theory of Hadamard expansions applied to the high-precision (hyperasymptotic) evaluation of Laplace and Laplace-type integrals. This brand new method builds on the well-known asymptotic method of steepest descents, of which the opening chapter gives...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Cambridge ; New York :
Cambridge University Press,
2011, ©2011.
|
| Colección: | Encyclopedia of mathematics and its applications ;
v. 141. |
| Temas: | |
| Acceso en línea: | Texto completo |
MARC
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| 100 | 1 | |a Paris, R. B. |q (Richard Bruce), |d 1946- | |
| 245 | 1 | 0 | |a Hadamard Expansions and Hyperasymptotic Evaluation : |b an Extension of the Method of Steepest Descents / |c R.B. Paris. |
| 260 | |a Cambridge ; |a New York : |b Cambridge University Press, |c 2011, ©2011. | ||
| 300 | |a 1 online resource (viii, 243 pages) : |b illustrations | ||
| 336 | |a text |b txt |2 rdacontent | ||
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| 490 | 1 | |a Encyclopedia of Mathematics And Its Applications ; |v 141 | |
| 520 | |a "The author describes the recently developed theory of Hadamard expansions applied to the high-precision (hyperasymptotic) evaluation of Laplace and Laplace-type integrals. This brand new method builds on the well-known asymptotic method of steepest descents, of which the opening chapter gives a detailed account illustrated by a series of examples of increasing complexity. A discussion of uniformity problems associated with various coalescence phenomena, the Stokes phenomenon and hyperasymptotics of Laplace-type integrals follows. The remaining chapters deal with the Hadamard expansion of Laplace integrals, with and without saddle points. Problems of different types of saddle coalescence are also discussed. The text is illustrated with many numerical examples, which help the reader to understand the level of accuracy achievable. The author also considers applications to some important special functions. This book is ideal for graduate students and researchers working in asymptotics"-- |c Provided by publisher | ||
| 504 | |a Includes bibliographical references (pages 235-240) and index. | ||
| 505 | 0 | |a Preface; 1. Asymptotics of Laplace-type integrals; 2. Hadamard expansion of Laplace integrals; 3. Hadamard expansion of Laplace-type integrals; 4. Applications. | |
| 588 | 0 | |a Print version record. | |
| 546 | |a English. | ||
| 590 | |a eBooks on EBSCOhost |b EBSCO eBook Subscription Academic Collection - Worldwide | ||
| 650 | 0 | |a Integral equations |x Asymptotic theory. | |
| 650 | 0 | |a Asymptotic expansions. | |
| 650 | 4 | |a Integral equations |x Asymptotic theory. | |
| 650 | 4 | |a Asymptotic expansions. | |
| 650 | 6 | |a Équations intégrales |x Théorie asymptotique. | |
| 650 | 6 | |a Développements asymptotiques. | |
| 650 | 7 | |a MATHEMATICS |x Algebra |x Abstract. |2 bisacsh | |
| 650 | 7 | |a MATHEMATICS |x Calculus. |2 bisacsh | |
| 650 | 7 | |a MATHEMATICS |x Mathematical Analysis. |2 bisacsh | |
| 650 | 7 | |a Asymptotic expansions |2 fast | |
| 650 | 7 | |a Integral equations |x Asymptotic theory |2 fast | |
| 776 | 0 | 8 | |i Print version: |a Paris, R.B. (Richard Bruce), 1946- |t Hadamard Expansions and Hyperasymptotic Evaluation. |d Cambridge ; New York : Cambridge University Press, 2011, ©2011 |z 9781107002586 |w (DLC) 2010051563 |w (OCoLC)694393863 |
| 830 | 0 | |a Encyclopedia of mathematics and its applications ; |v v. 141. | |
| 856 | 4 | 0 | |u https://ebsco.uam.elogim.com/login.aspx?direct=true&scope=site&db=nlebk&AN=569364 |z Texto completo |
| 880 | 0 | |6 505-00/(S |a Cover -- Half Title -- Series Page -- Title -- Copyright -- Contents -- Preface -- 1 Asymptotics of Laplace-type integrals -- 1.1 Historical introduction -- 1.2 The method of steepest descents -- 1.2.1 Preliminaries -- 1.2.2 Asymptotic expansion of I (λ) -- 1.2.3 Quadratic and linear endpoint cases -- 1.2.4 Watson's lemma -- 1.2.5 Approximate methods -- The saddle-point method -- The method of stationary phase -- 1.3 Examples -- 1.4 Further examples -- 1.5 Uniform expansions -- 1.5.1 Saddle point near a pole -- 1.5.2 Saddle point near an endpoint -- 1.5.3 Two coalescing saddle points -- 1.6 Optimal truncation and superasymptotics -- 1.6.1 Optimal truncation -- 1.6.2 Ursell's lemma -- 1.7 The Stokes phenomenon -- 1.7.1 Description of the Stokes phenomenon -- 1.7.2 A rigorous approach -- 1.7.3 The Stokes phenomenon and steepest descents -- 1.8 Hyperasymptotics -- 1.8.1 Overview -- 1.8.2 Airey's converging factors -- 1.8.3 Dingle's converging factors -- 1.8.4 A formal discussion of hyperasymptotics -- 1.8.5 Truncation schemes -- 1.8.6 Hyperasymptotics of Laplace-type integrals -- 2 Hadamard expansion of Laplace integrals -- 2.1 Introduction -- 2.2 The Hadamard series for Iν(x) -- 2.2.1 Derivation of the single-stage expansion -- 2.2.2 The modified Hadamard series -- 2.2.3 The Hadamard series for complex z -- 2.2.4 Multi-stage expansions for Iν(z) -- 2.2.5 The Stokes phenomenon -- 2.2.6 The Hadamard series for 1F1(a -- a + b -- z) -- 2.3 Rapidly convergent Hadamard series -- 2.4 Hadamard series on an infinite interval -- 2.4.1 Subdivision of the integration path -- 2.4.2 The Hadamard expansion -- 2.4.3 Choice of the Ωn -- 2.4.4 A numerical example -- 2.4.5 A computational simplification -- 2.5 Examples -- 2.6 Bounds on the tails of Hadamard series -- 3 Hadamard expansion of Laplace-type integrals -- 3.1 Introduction -- 3.2 Expansion schemes. | |
| 880 | 8 | |6 505-00/(S |a 3.2.1 Subdivision of the u-axis -- 3.2.2 Expansion Scheme A -- 3.2.3 Expansion Scheme B -- 3.3 Examples -- Hadamard expansion near the Stokes line -- 3.4 Coalescence problems -- 3.4.1 Expansion scheme for coalescence problems -- 3.5 Examples of coalescence -- 4 Applications -- 4.1 Introduction -- 4.2 The Bessel function Jν(νz) -- 4.2.1 The case z positive -- 4.2.2 Numerical results -- 4.2.3 The case x -̃ 1 -- 4.2.4 The case z complex -- 4.3 The Pearcey integral -- 4.3.1 The Hadamard expansion of Pe(x, y) -- 4.3.2 Computation in the neighbourhood of the cusps -- 4.4 The parabolic cylinder function -- 4.5 The expansion for log Г(z) -- Appendix A: Properties of P(a, z) -- Appendix B: Convergence of Hadamard series -- Appendix C: Connection with the exp-arc integrals -- References -- Index. | |
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