Best multivariate approximations by hyperbolic trigonometric polynomials

被引：0
|
作者：
Dung, D [1 ]
机构：
[1] Inst Informat Technol, Hanoi, Vietnam
来源：
PROCEEDINGS OF THE SECOND ASIAN MATHEMATICAL CONFERENCE 1995 | 1998年
关键词：
D O I：
暂无
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
A survey an best multivariate approximations by trigonometric polynomials with frequencies from hyperbolic crosses for the classes of functions with several bounded mixed derivatives or with several bounded mixed differences, their n-widths and direct and inverse theorems on best hyperbolic cross approximations is given.
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页码：5 / 16
页数：12
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