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u'(t)=au(t)+a_2u([t+2])型EPCA的数值分析

The Numerical Analysis of Equations with Piecewise Continuou Arguments for u'(t) = au(t) + a_2u([t + 2])
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摘要 分析了Euler-Maclaurin方法对于u'(t)=au(t)+a2u([t+2])型自变量分段连续延迟微分方程的数值稳定性,得到了此方法的稳定区域及数值解的稳定区域包含解析解的稳定区域的充分必要条件. This paper deals with the numerical stability of the Euler -Maclaurin methods for Equations with Piecewise Continuous Arguments of u′(t) =au(t) +a2u([t +2]) .The stability regions for the method are determined and the sufficient and necessary condition that the analytic stability region is contained in the nu -merical stability region is obtained .
作者 杜春雪
出处 《佳木斯大学学报(自然科学版)》 CAS 2014年第5期763-765,共3页 Journal of Jiamusi University:Natural Science Edition
基金 黑龙江省教育厅科学技术研究项目(12541607) 佳木斯大学科研项目(L2012-039)
关键词 延迟微分方程 自变量分段连续 渐近稳定 delay differential equation piecewise continuous arguments asymptotic stability
作者简介 杜春雪(1979-),女,讲师,硕士研究生,主要研究方向:微分方程数值解.
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