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q−Bernstein–Schurer–Durrmeyer type operators for functions of one and two variables

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  • Kajla, Arun
  • Ispir, Nurhayat
  • Agrawal, P.N.
  • Goyal, Meenu

Abstract

The purpose of this paper is to obtain some direct results for the Durrmeyer variant of q−Bernstein–Schurer operators for functions of one variable introduced by Acu et al. [1]. We also propose to study the bivariate extension of these operators and discuss the rate of convergence by using the modulus of continuity, the degree of approximation for the Lipschitz class of functions and the Voronovskaja type asymptotic theorem. Furthermore, we show the convergence of the operators by illustrative graphics in Maple to certain functions in both one and two dimensional cases.

Suggested Citation

  • Kajla, Arun & Ispir, Nurhayat & Agrawal, P.N. & Goyal, Meenu, 2016. "q−Bernstein–Schurer–Durrmeyer type operators for functions of one and two variables," Applied Mathematics and Computation, Elsevier, vol. 275(C), pages 372-385.
    • Handle: RePEc:eee:apmaco:v:275:y:2016:i:c:p:372-385
    DOI: 10.1016/j.amc.2015.11.048
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    References listed on IDEAS

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    1. Agrawal, P.N. & Finta, Zoltán & Sathish Kumar, A., 2015. "Bernstein–Schurer–Kantorovich operators based on q-integers," Applied Mathematics and Computation, Elsevier, vol. 256(C), pages 222-231.
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