Название: Theory of Approximation Автор: N. I. Achieser (Akhiezer) Издательство: Dover Publications Год: 1992 Формат: PDF Страниц: 319 Размер: 11,96 Мб Язык: английский
Excellent graduate-level monograph investigates relationship between various structural properties of real functions and the character of possible approximations to them by polynomials and other functions of simple construction. Based on classical approximation theorem of Weierstrass, P. L. Chebyshev’s concept of the best approximation, converse theorem of S. N. Bernstein on existence of a function with a given sequence of best approximations. Each chapter includes problems and theorems supplementing main text.
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Theory of Approximation 
