Lower bounds for the deviations of the best linear methods of approximation of continuous functions by trigonometric polynomials

被引：0
作者：
Pichugov, S. A. [1 ]
机构：
[1] Dnepropetrovsk Natl Univ Railway Transport, Dnepropetrovsk, Ukraine
来源：
UKRAINIAN MATHEMATICAL JOURNAL | 2012年 / 64卷 / 05期
关键词：
Lower Bound; Linear Method; Uniform Approximation; Trigonometric Polynomial; Duality Relation;
D O I：
10.1007/s11253-012-0676-3
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In the case of uniform approximation of continuous periodic functions of one variable by trigonometric polynomials, we obtain lower bounds for the Jackson constants of the best linear methods of approximation.
引用
收藏
页码：752 / 766
页数：15
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