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检索条件"主题词=gamma operator"
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EQUIVALENT THEOREMS ON SIMULTANEOUS APPROXIMATION BY COMBINATIONSOF gamma operatorS
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Analysis in Theory and Applications 2008年 第2期24卷 149-159页
作者: LiangchengMao Xueyan Xiang Wenshan Yang Luqiao Middle SchoolTaizhou Zhejiang 328050P. R. China Zhejiang Normal University Jinhua Zhejiang 321004E R. China Lishui UniversityLishui Zhejiang 323000P. R. China Zhejiang Normal UniversityJinhua Zhejiang 321004P. R. China
In this paper, some equivalent theorems on simultaneous approximation for combinations of gamma operators by weighted moduli of smoothness ωφλ^r(f,t)wφ^s(0≤λ≤1)are given. The relation between derivatives ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Weighted Approximation by Left Quasi-interpolants of Derivatives of gamma operators
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Communications in Mathematical Research 2009年 第4期25卷 289-298页
作者: JIANG HONG-BIAO Department of mathematics Lishui University Lishui Zhejiang 323000
In order to obtain much faster convergence, Miiller introduced the left gamma quasi- interpolants and obtained an approximation equivalence theorem in terms of 2r wφ (f,t)p. Cuo extended the MiiUer's results to w... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
ON CONVERGENCE OF GENERAL gamma TYPE operatorS
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Analysis in Theory and Applications 2011年 第3期27卷 288-300页
作者: Harun Karsli Abant Izzet Baysal University
The present paper deals with the new type of gamma operators, here we estimate the rate of pointwise convergence of these new gamma type operators Mn,k for functions of bounded variation, by using some techniques of p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
POINTWISE SIMULTANEOUS APPROXIMATION BY LEFT gamma QUASI-INTERPOLANTS
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Analysis in Theory and Applications 2008年 第2期24卷 120-128页
作者: Hongbiao Jiang Department of MathematicsLishui UniversityLishui Zhejiang 323000P. R. China
Recently some classical operator quasi-interpolants were introduced to obtain much faster convergence. We consider left gamma quasi-interpolants and give a pointwise simultaneous approximation equivalence theorem with... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论