Improved uniform convergence of a finite difference approximation to a kind of singularly perturbed problems(一类奇异摄动问题有限差分逼近改进的一致收敛性)

对于一类奇异摄动问题,给出了 一种半离散差分格式,其网格是通过等分布所研究问题解的弧长控制函数而生成的.通过采用离散最大模原理和先验截断误差估计,证明了离散最大模下数值解是关于摄动参数ε一阶一致收敛的.这比已有文献中的误差收敛阶有明显的改进.数值实验验证了理论分析的正确性....

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Bibliographic Details
Main Author: YANGJi-ming(杨继明)
Format: Article
Language:zho
Published: Zhejiang University Press 2013-03-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
Online Access:https://doi.org/10.3785/j.issn.1008-9497.2013.02.004