Negative property of shape-preserving finite-dimensional linear operators

被引：3
|
作者：
Sidorov, SP [1 ]
机构：
[1] Saratov NG Chernyshevskii State Univ, Dept Mech & Math, Saratov 410071, Russia
来源：
APPLIED MATHEMATICS LETTERS | 2003年 / 16卷 / 02期
关键词：
Korovkin type results; shape-preserving property; order of approximation;
D O I：
10.1016/S0893-9659(03)80040-X
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, we estimate the order of approximation by derivatives of shape-preserving and finite-dimensional operators defined on the space of all real-valued and k-times continuously differentiable functions of one real variable. (C) 2003 Elsevier Science Ltd. All rights reserved.
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页码：257 / 261
页数：5
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