摘要
设H_n(f,x)是以Jacobi多项式J_n(x)的零点为基点的Hermite-Fejér插值算子,本文得到了H_n(f,x)的逼近度的渐近表示。
Let H_n(f,x) be the Hermite-Fejer interpolation operators,which is based on the zero of Jacobi polynomials J_n(x). In this paper,the asymptotic representation of the approximation degree by H_n(f,x)is obtained.
关键词
线性算子
H-F插殖
Jacobi polynomials
Hermite-Fejér interpolation
approximation degree quasi-local positive linear operators
