Direct results for a certain family of summation-integral type operators

被引:18
作者
Srivastava, H. M. [1 ]
Finta, Zoltan
Gupta, Vijay
机构
[1] Univ Victoria, Dept Math & Stat, Victoria, BC V8W 3P4, Canada
[2] Univ Babes Bolyai, Dept Math, R-400084 Cluj Napoca, Romania
[3] Netaji Subhas Inst Technol, Sch Appl Sci, New Delhi 110075, India
基金
加拿大自然科学与工程研究理事会;
关键词
linear positive operators; bounded variation; total variation; rate of convergence; Taylor's expansion; approximation properties;
D O I
10.1016/j.amc.2007.01.039
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In the present paper, we establish some local and global direct results for a certain family of summation-integral operators B-n. We also estimate the rate of convergence of B-n(f) for a function f having derivatives of bounded variation. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:449 / 457
页数:9
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