Block boundary value methods applied to functional differential equations with piecewise continuous arguments

Block boundary value methods applied to functional differential equations with piecewise continuous arguments
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应用于具有分段连续参数的函数微分方程的块边界值方法

DOI:
10.1016/j.apnum.2017.01.012
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发表时间:
2017-05
影响因子:
2.8
通讯作者:
Zhang Chengjian
Zhang Chengjian
中科院分区:
数学2区
文献类型:
--
作者:
Li Cui;Zhang Chengjian

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研究了一类具有分段连续变元的泛函微分方程。将块边值方法推广到求解这类方程。证明了在Lipschitz条件下,扩展块边值方法的收敛阶与其相容阶一致。此外,我们还研究了推广方法的线性稳定性,并给出了相应的渐近稳定性判据。最后,通过数值算例,进一步说明了本文方法的理论结果和计算有效性。
This paper deals with a class of functional differential equations with piecewise continuous arguments. Block boundary value methods (BBVMs) are extended to solve this class of equations. It is shown under the Lipschitz condition that the order of convergence of an extended block boundary value method coincides with its order of consistency. Moreover, we study the linear stability of the extended methods and give the corresponding asymptotical stability criterion. In the end, with several numerical examples, the theoretical results and the computational effectiveness of the methods are further illustrated.
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