| 对逐段凸函数逼近的Jackson型估计 |
| |
| 引用本文： | 张玲玲. 对逐段凸函数逼近的Jackson型估计[J]. 山西矿业学院学报, 1997, 15(3): 304-307 |
| |
| 作者姓名： | 张玲玲 |
| |
| 作者单位： | 山西矿业学院基础部 |
| |
| 摘 要： | 对不满足文献［１］中定理条件的部分可微函数，在逐段严格凸的条件下，利用插值多项式讨论了其共凸逼近，给出了逼近阶的Ｊａｃｋｓｏｎ型估计，同时还得到了它一、二阶导函数的逼近阶估计式。
|
| 关 键 词： | 逐段凸；插值；逼近阶；Jackson型估计 |
Jackson type estimates for the degree of approximation for piecewise conves furctions |
| |
| Zhang Lingling. Jackson type estimates for the degree of approximation for piecewise conves furctions[J]. , 1997, 15(3): 304-307 |
| |
| Authors: | Zhang Lingling |
| |
| Affiliation: | Dept. of Basic Courses |
| |
| Abstract: | For some differentiable functions, if they are out of the condition of theorem of , the proplem of coconvex approximation are discussed using interpolation polynomials. Jackson type estimates for degree of coconvex approximation are obtained, and estimates of its first and second derivatives are given. |
| |
| Keywords: | piecewise convex inlerpolation degree of approxmation jackson type estionates |
| 本文献已被 CNKI 维普 等数据库收录！ |
