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This book provides a meaningful resource for applied mathematics through Fourier analysis. It develops a unified theory of discrete and continuous (univariate) Fourier analysis, the fast Fourier transform, and a powerful elementary theory of generalized functions and shows how these mathematical ideas can be used to study sampling theory, PDEs, probability, diffraction, musical tones, and wavelets. The book contains an unusually complete presentation of the Fourier transform calculus. It uses concepts from calculus to present an elementary theory of generalized functions. FT calculus and generalized functions are then used to study the wave equation, diffusion equation, and diffraction equation. Real-world applications of Fourier analysis are described in the chapter on musical tones. A valuable reference on Fourier analysis for a variety of students and scientific professionals, including mathematicians, physicists, chemists, geologists, electrical engineers, mechanical engineers, and others.
Fourier analysis. --- Analysis, Fourier --- Mathematical analysis
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Fourier analysis --- Analysis, Fourier --- Fourier analysis. --- Mathematical analysis
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Recent Progress in Fourier Analysis
Harmonic analysis. Fourier analysis --- Fourier analysis --- 517.52 --- 517.52 Series and sequences --- Series and sequences --- Analysis, Fourier --- Mathematical analysis --- Congresses
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Harmonic analysis. Fourier analysis --- FT (Fourier transformatie) --- Fourieranalyse --- Fourier analysis --- Fourier transformations --- 517 --- algoritmen --- analyse --- Transformations, Fourier --- Transforms, Fourier --- Transformations (Mathematics) --- Analysis, Fourier --- Mathematical analysis
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Harmonic analysis. Fourier analysis --- 517.52 --- Laplacetransformatie --- analyse --- fourierintegralen --- 517 --- Analyse : Fouriertheorie --- rijen en reeksen
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Fourier Analysis and Boundary Value Problems provides a thorough examination of both the theory and applications of partial differential equations and the Fourier and Laplace methods for their solutions. Boundary value problems, including the heat and wave equations, are integrated throughout the book. Written from a historical perspective with extensive biographical coverage of pioneers in the field, the book emphasizes the important role played by partial differential equations in engineering and physics. In addition, the author demonstrates how efforts to deal with these problems hav
Fourier analysis. --- Boundary value problems --- Numerical solutions. --- Analysis, Fourier --- Mathematical analysis
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In this treatise, the authors present the general theory of orthogonal polynomials on the complex plane and several of its applications. The assumptions on the measure of orthogonality are general, the only restriction is that it has compact support on the complex plane. In the development of the theory the main emphasis is on asymptotic behaviour and the distribution of zeros. In the following chapters, the author explores the exact upper and lower bounds are given for the orthonormal polynomials and for the location of their zeros; regular n-th root asymptotic behaviour; and applications of the theory, including exact rates for convergence of rational interpolants, best rational approximants and non-diagonal Pade approximants to Markov functions (Cauchy transforms of measures). The results are based on potential theoretic methods, so both the methods and the results can be extended to extremal polynomials in norms other than L2 norms. A sketch of the theory of logarithmic potentials is given in an appendix.
Orthogonal polynomials. --- Fourier analysis. --- Analysis, Fourier --- Mathematical analysis --- Fourier analysis --- Functions, Orthogonal --- Polynomials
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Fondée sur la théorie métaxiale de G. Bonnet et sur l’emploi de la transformation de Fourier fractionnaire, la présentation de l'optique de Fourier adoptée dans cet ouvrage est originale et renouvelle en grande partie le sujet. Outre les thèmes traités habituellement dans ce domaine – diffraction scalaire, formation des images, transfert de la cohérence, holographie, filtrage et corrélation optiques –, le livre inclut une théorie fractionnaire des résonateurs optiques et des faisceaux gaussiens, ou développe encore l’analogie entre diffraction et dispersion de groupe dans les fibres optiques, élargissant de la sorte le champ de la discipline. Issu de l’enseignement dispensé par l’auteur à l’Université et en écoles d’ingénieurs, étayé par ses propres recherches, le livre s’adresse autant à des étudiants en mastère de physique ou des élèves-ingénieurs qu’à des chercheurs ou ingénieurs souhaitant s’initier à l’optique de Fourier fractionnaire. Pierre Pellat-Finet est professeur à l’université de Bretagne-Sud, où il enseigne la physique. Il est également chercheur associé à Télécom Bretagne et professeur associé à l’université nationale de Colombie à Medellin. Ses travaux de recherche portent sur le traitement du signal optique, les télécommunications optiques, la représentation mathématique de la lumière polarisée et l’optique de Fourier fractionnaire.
Fourier analysis. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Analysis, Fourier --- Mathematical analysis
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This book gives a friendly introduction to Fourier analysis on finite groups, both commutative and non-commutative. Aimed at students in mathematics, engineering and the physical sciences, it examines the theory of finite groups in a manner that is both accessible to the beginner and suitable for graduate research. With applications in chemistry, error-correcting codes, data analysis, graph theory, number theory and probability, the book presents a concrete approach to abstract group theory through applied examples, pictures and computer experiments. In the first part, the author parallels the development of Fourier analysis on the real line and the circle, and then moves on to analogues of higher dimensional Euclidean space. The second part emphasizes matrix groups such as the Heisenberg group of upper triangular 2x2 matrices. The book concludes with an introduction to zeta functions on finite graphs via the trace formula.
Finite groups. --- Fourier analysis. --- Analysis, Fourier --- Mathematical analysis --- Groups, Finite --- Group theory --- Modules (Algebra) --- #KVIV:BB --- Fourier analysis --- Finite groups
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Nonlinear resonance analysis is a unique mathematical tool that can be used to study resonances in relation to, but independently of, any single area of application. This is the first book to present the theory of nonlinear resonances as a new scientific field, with its own theory, computational methods, applications and open questions. The book includes several worked examples, mostly taken from fluid dynamics, to explain the concepts discussed. Each chapter demonstrates how nonlinear resonance analysis can be applied to real systems, including large-scale phenomena in the Earth's atmosphere and novel wave turbulent regimes, and explains a range of laboratory experiments. The book also contains a detailed description of the latest computer software in the field. It is suitable for graduate students and researchers in nonlinear science and wave turbulence, along with fluid mechanics and number theory. Colour versions of a selection of the figures are available at www.cambridge.org/9780521763608.
Differential equations, Nonlinear --- Fourier analysis. --- Resonance. --- Mathematical analysis. --- 517.1 Mathematical analysis --- Mathematical analysis --- Analysis, Fourier --- Numerical analysis --- Numerical solutions.
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