On the Negative Extremums of Fundamental Functions of Lagrange Interpolation Based on Chebyshev Nodes

被引：0

作者：

Laiyi Zhu

Xu Xu

机构：

[1] SchoolofInformation,RenminUniversityofChina

来源：

AnalysisinTheoryandApplications | 2013年 / 29卷 / 04期

关键词：

Negative extremum; Lagrange interpolation; Chebyshev polynomial; fundamental function of interpolation;

D O I：

暂无

中图分类号：

O174 [函数论];

学科分类号：

070104 ;

摘要：

In this paper,we investigate the negative extremums of fundamental functions of Lagrange interpolation based on Chebyshev nodes.Moreover,we establish some companion results to the theorem of J.Szabados on the positive extremum.

引用

页码：348 / 357

页数：10