摘要
本文给出了具有第一类Chebyshev多项式节点的Lagrange插值过程的导数逼近的收敛阶。
The convergence order of the derivative approximation for an inter polation process of Lagrange polynomial zeros with first kind Chebyshev polynomial Tn(x) is considered in this paper.
出处
《吉林大学学报(信息科学版)》
CAS
1990年第4期43-48,共6页
Journal of Jilin University(Information Science Edition)
关键词
多项式插值
导数
逼近/收敛阶
polynomial interpolation
derivative
approximation
convergence order