在线阅读 --自然科学版 2011年3期《Bernstein-Bézier算子点态加权逼近阶》
Bernstein-Bézier算子点态加权逼近阶--[在线阅读]
刘国芬1, 史冉2
1. 河北师范大学数学与信息科学学院, 河北石家庄 050016;
2. 石家庄信息工程职业学院基础部, 河北石家庄 050035
起止页码: 217--219,224页
DOI:
摘要
利用一阶加权光滑模ωφλ(f,t)w讨论了Bernstein-Bézier算子带Jacobi权w(x)=xa(1-x)b,0
Degree of Pointwise Weighted Approximation by Bernstein-Bézier Operators
LIU Guofen1, SHI Ran2
1. College of Mathematics and Information Science, Hebei Normal University, Hebei Shijiazhuang 050016, China;
2. Department of Basic Coures, Shijiazhuang Information Engineering Vocational College, Hebei Shijiazhuang 050035, China
Abstract:
Using one-order weighted modulus,the approximation degree is gotten by Bernstein-Bézier operators with Jacobi weight w(x)=xa(1-x)b,0
收稿日期: 2010-9-12
基金项目: 国家自然科学基金(10801043)

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