期刊
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS
卷 98, 期 12, 页码 2482-2503出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207160.2021.1901278
关键词
Parabolic Volterra integral equations; integro-differential equations; partial differential equations
This paper proposes a method to solve parabolic Volterra integro-differential equations with bounded and unbounded domains by transforming them into well-posed linear and nonlinear dynamical systems and solving them using a new class of algorithms. The error bounds in both bounded and unbounded domains demonstrate the efficiency and accuracy of the proposed methods, and stability and convergence are also established. Additionally, numerical simulations are conducted to test the performance of the proposed methods on data with measurement noise.
In this paper, we propose a class of methods to solve the parabolic Volterra integro-differential equations with bounded and unbounded domains. More precisely, we change the parabolic Volterra integro-differential equations to well-posed linear and nonlinear dynamical systems. Then, the obtained systems are solved by using a new class of algorithms consisting linear multi-step formulas in which these schemes are constructed through the hybrid of Gergory's formula, finite difference and multi-step methods. Error bounds are derived in both bounded and unbounded domains. Some numerical examples are then presented to illustrate the efficiency and accuracy of the proposed methods. Furthermore, stability and convergence of proposed methods are established and we denote the numerical simulations. Moreover, some tests are conducted on data with measurement noise to consider the performance of the proposed methods.
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