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Course in Approximation Theory
     

Course in Approximation Theory

by Ward Cheney, Will Light
 

ISBN-10: 0821847988

ISBN-13: 9780821847985

Pub. Date: 01/13/2009

Publisher: American Mathematical Society

This textbook is designed for graduate students in mathematics, physics, engineering, and computer science. Its purpose is to guide the reader in exploring contemporary approximation theory. The emphasis is on multi-variable approximation theory, i.e., the approximation of functions in several variables, as opposed to the classical theory of functions in one

Overview

This textbook is designed for graduate students in mathematics, physics, engineering, and computer science. Its purpose is to guide the reader in exploring contemporary approximation theory. The emphasis is on multi-variable approximation theory, i.e., the approximation of functions in several variables, as opposed to the classical theory of functions in one variable. Most of the topics in the book, heretofore accessible only through research papers, are treated here from the basics to the currently active research, often motivated by practical problems arising in diverse applications such as science, engineering, geophysics, and business and economics. Among these topics are projections, interpolation paradigms, positive definite functions, interpolation theorems of Schoenberg and Micchelli, tomography, artificial neural networks, wavelets, thin-plate splines, box splines, ridge functions, and convolutions. An important and valuable feature of the book is the bibliography of almost 600 items directing the reader to important books and research papers. There are 438 problems and exercises scattered through the book allowing the student reader to get a better understanding of the subject.

Product Details

ISBN-13:
9780821847985
Publisher:
American Mathematical Society
Publication date:
01/13/2009
Series:
Graduate Studies in Mathematics Series , #101
Edition description:
New Edition
Pages:
359
Product dimensions:
6.40(w) x 9.30(h) x 0.70(d)

Table of Contents

1. Introductory Discussion of Interpolation. 2. Linear Interpolation Operators. 3. Optimization of the Lagrange Operator. 4. Multivariate Polynomials. 5. Moving the Nodes. 6. Projections. 7. Tensor Product Interpolation. 8. The Boolean Algebra of Projections. 9. The Newton Paradigm for Interpolation. 10. The Lagrange Paradigm for Interpolation. 11. Interpolation by Translates of a Single Function. 12. Positive Definite Functions. 13. Strictly Positive Definite Functions. 14. Completely Monotone Functions. 15. The Schoenberg Interpolation Theorem. 16. The Micchelli Interpolation Theorem. 17. Positive Definite Functions of Spheres. 18. Approximation by Positive Definite Functions. 19. Approximate Reconstruction of Functions and Tomography. 20. Approximation by Convolution. 21. The Good Kernels. 22. Ridge Functions. 23. Ridge Function Approximation via Convolutions. 24. Density of Ridge Functions. 25. Artificial Neural Networks. 26. Chebyshev Centers. 27. Optimal Reconstruction of Functions. 28. Algorithmic Orthogonal Projections. 29. Cardinal B-Splines and the Sinc Function. 30. The Golomb-Weinberger Theory. 31. Hilbert Function Spaces, Reproducing Kernels. 32. Spherical Splines. 33. Box Splines. 34. Wavelets, Part I. 35. Wavelets, Part II. 36. Quasi-Interpolation. Bibliography. Index.

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