On barycentric interpolation. I. (On the T-Lebesgue function and T-Lebesgue constant)

被引：0
|
作者：
P. Vértesi
机构：
[1] Alfréd Rényi Mathematical Institute of the Hungarian Academy of Sciences,
来源：
Acta Mathematica Hungarica | 2015年 / 147卷
关键词：
41A05; 41A44; 65D05; 65F35; classical Lagrange interpolation; barycentric Lagrange interpolation; Lebesgue function; Lebesgue constant;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We prove theorems on the Lebesgue function and Lebesgue constant of barycentric Lagrange interpolation based on arbitrary node-sytem in [-1, 1]. It turns out that the results are very similar to the ones known for the classical Lagrange interpolation.
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页码：396 / 407
页数：11
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