Collocation boundary value methods for auto-convolution Volterra integral equations

Collocation boundary value methods for auto-convolution Volterra integral equations
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自卷积 Volterra 积分方程的配置边值法

DOI:
10.1016/j.apnum.2022.03.004
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发表时间:
2022-03
影响因子:
2.8
通讯作者:
Junjie Ma
Junjie Ma
中科院分区:
数学2区
文献类型:
--
作者:
Ling Liu;Junjie Ma

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本文研究了第二类自卷积沃尔泰拉积分方程的配置边值解。与经典的配点法不同,利用边值技术对自卷积沃尔泰拉积分方程进行完全离散,得到了一个非线性系统。因此,我们重新考虑所提出的计划的可解性和数值解的有界性。利用Peano核定理给出了收敛阶,并通过数值算例证明了收敛阶的正确性.
In this paper, we analyze the collocation boundary value solutions of the second-kind auto-convolution Volterra integral equations. In contrast to classical collocation methods, the full discretization of auto-convolution Volterra integral equations via the boundary value technique leads to a nonlinear system. Thus we reconsider the solvability of the proposed scheme and the boundedness of the numerical solution. Moreover, with the help of the Peano kernel theorem, the convergence order is developed, which is demonstrated by several numerical examples.
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