On (p, q)-analogue of Bernstein operators

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摘要

In this paper, we introduce a new analogue of Bernstein operators and we call it as (p, q)-Bernstein operators which is a generalization of q-Bernstein operators. We also study approximation properties based on Korovkin’s type approximation theorem of (p, q)-Bernstein operators and establish some direct theorems. Furthermore, we show comparisons and some illustrative graphics for the convergence of operators to a function.

论文关键词:(p, q)-Bernstein operator,Modulus of continuity,Positive linear operator,Korovkin type approximation theorem

论文评审过程:Received 9 October 2014, Revised 1 April 2015, Accepted 26 April 2015, Available online 25 June 2015, Version of Record 25 June 2015.

论文官网地址:https://doi.org/10.1016/j.amc.2015.04.090