Bezier operators;
Modified alpha-Bernstein operators;
Modulus of continuity;
Ditizian-Totik modulus of smoothness;
Rate of convergence;
Bounded variation;
Voronovskaja theorerm;
APPROXIMATION;
CONVERGENCE;
D O I:
10.1007/s12215-021-00613-x
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
In the present paper, we introduce the Bezier variant of modified alpha-Bernstein operators and study the degree of approximation using second order modulus of continuity. We also establish a direct approximation theorem with the aid of Ditzian-Totik modulus of smoothness and the Peetre's K-functional. Further, we obtain a quantitative Voronovskaja type theorem and the rate of convergence for functions with a derivative of bounded variation on [0, 1]. Finally, we depict the rate of convergence of these operators for certain functions by graphical illustration using Matlab software.
机构:
Ankara Haci Bayram Veli Univ, Polatli Fac Sci & Arts, Dept Math, Ankara, TurkeyAnkara Haci Bayram Veli Univ, Polatli Fac Sci & Arts, Dept Math, Ankara, Turkey
Sofyalioglu, Melek
Kanat, Kadir
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机构:
Ankara Haci Bayram Veli Univ, Polatli Fac Sci & Arts, Dept Math, Ankara, TurkeyAnkara Haci Bayram Veli Univ, Polatli Fac Sci & Arts, Dept Math, Ankara, Turkey
Kanat, Kadir
Cekim, Bayram
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机构:
Gazi Univ, Fac Sci, Dept Math, Ankara, TurkeyAnkara Haci Bayram Veli Univ, Polatli Fac Sci & Arts, Dept Math, Ankara, Turkey