Department of Mathematics, China Jiliang University, Hangzhou 310018, Zhejiang Province, China
Copyright © 2011 Feilong Cao and Yongfeng An. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The main aim of this paper is to introduce and study multivariate Baskakov-Durrmeyer operator, which is nontensor product generalization of the one variable.
As a main result, the strong direct inequality of approximation by the operator
is established by using a decomposition technique.