BEST RESTRICTED RANGE APPROXIMATION

被引：1
|
作者：
ZHONG, J [1 ]
机构：
[1] PENN STATE UNIV,DEPT MATH,UNIV PK,PA 16802
来源：
NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION | 1993年 / 14卷 / 1-2期
关键词：
D O I：
10.1080/01630569308816515
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A theory of best restricted range approximation is developed for an extended n-dimensional Chebvshev subspace of C[a.b] of order n without restricting the upper and lower restraining functions. This theory includes a ''zero in the convex hull'' characterization, an alternation theorem. and a strong uniqueness theorem.
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页码：179 / 194
页数：16
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