Baskakov-Durrmeyer算子的点态逼近

Pointwise Approximation by Baskakov-Durrmeyer Operator

中文关键词:  Baskakov-Durrmeyer算子  点态逼近  光滑模

英文关键词:Baskakov-Durrmeyer operators  Pointwise approximation  modulus of smooth-ness.

中文摘要:

      本文应用Ｄｉｔｚｉａｎ－Ｔｏｔｉｋ模得到Ｂａｓｋａｋｏｖ－Ｄｕｒｒｍｅｙｅｒ算子线性组合的点态逼近的等 价定理．

英文摘要:

      The purpose of this paper is to get the results of pointwise approximation equiva- lent theorem with Ditzian-Totik modulus for the combinations of Baskakov-Durrmeyer oper- ators.