UNIQUENESS IN UNIFORM APPROXIMATION OF A FUNCTION AND ITS DERIVATIVES

被引：2

作者：

SCHUURMAN, FJ

机构：

来源：

SIAM JOURNAL ON NUMERICAL ANALYSIS | 1969年 / 6卷 / 02期

关键词：

D O I：

10.1137/0706029

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Example is given of approximation problem on interval which does not have unique best approximation; conditions of nonuniqueness are considered; proof of uniqueness theorem given by D. G. Moursund is simplified and extended to more general class of base functions.

引用

页码：305 / +

页数：1