Integro spline quasi-interpolants and their super convergence

被引：0
|
作者：
Jinming Wu
Wurong Ge
Xiaolei Zhang
机构：
[1] Zhejiang Gongshang University,School of Statistics and Mathematics
来源：
Computational and Applied Mathematics | 2020年 / 39卷
关键词：
Spline quasi-interpolants; Integral values; Super convergence;
D O I：
暂无
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学科分类号：
摘要：
This paper gives a type of new spline quasi-interpolants where the entry values are integral values of successive intervals, rather than the usual function values at the knots. They are called integro spline quasi-interpolants. Also, their super convergence property in approximating function values/derivative values at the knots/mid-knots are proved. Numerical experiments show that the integro spline quasi-interpolants possess super convergence.
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