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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Format: | Article |
Language: | zho |
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Zhejiang University Press
2013-03-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
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Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2013.02.004 |