Using the equivalence relation between K-functional and moduli of smoothness, methods of partition function and induction, we establish a strong direct theorem and an inverse theorem of weak type of weighted approxima...Using the equivalence relation between K-functional and moduli of smoothness, methods of partition function and induction, we establish a strong direct theorem and an inverse theorem of weak type of weighted approximation for d-dimensional Bernstein operators on a simplex in this paper.展开更多
文摘Using the equivalence relation between K-functional and moduli of smoothness, methods of partition function and induction, we establish a strong direct theorem and an inverse theorem of weak type of weighted approximation for d-dimensional Bernstein operators on a simplex in this paper.