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关于Bernstein-Bezier 算子对一类绝对连续函数的逼近
Authors
曾晓明
连博勇
陈旭
Publication date
1 November 2006
Publisher
厦门大学学报( 自然科学版)
Abstract
Bernstein-Bezier 算子是一种重要的逼近算子, 在计算机辅助几何设计中也扮演了重要角色. 为了进一步了解它的理论及其逼近性质, 研究了它对一类绝对连续函数的逼近. 本文主要利用经典的Bojanic-Cheng 分解方法, 结合分析技术, 分别讨论了Bernstein-Bezier 算子在0=1 时, 对这类绝对连续函数的逼近. 首先扩展了文献Liu 的结果, 得到了 Bernstein-Bezier 算子的一阶中心绝对矩B?; 接着估计了另外一项B?, 最后得到了比较精确 的收敛价.国家自然科学基金( 10571145
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Last time updated on 16/06/2016