Bernstein operators;
Positive linear operators;
Central moments;
Rate of convergence;
APPROXIMATION;
INEQUALITY;
D O I:
10.1016/j.jmaa.2015.06.062
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
We prove that a result of Tachev concerning the optimal rate of convergence of the classical Bernstein operators remains valid for the class of discretely defined positive linear operators preserving constants. (C) 2015 Elsevier Inc. All rights reserved.