关于函数及其导数用Bernstein-Durrmeyer算子的同时逼近

郭顺生;刘喜武

On the Simultaneous Approximation of Functions and Their Derivatives by the Bernstein-Durrmeyer Operators

Shun Sheng GUO(1),Xi Wu LIU(2)

数学学报 . 2000, (2): 367 -374 . DOI: 10.12386/A2000sxxb0049