A novel approach for solving linear Fredholm integro-differential equations via LS-SVM algorithm

Hongli Sun and Yanfei Lu

Applied Mathematics and Computation, 2024, vol. 470, issue C

Abstract: In this paper, an innovative numerical methodology is introduced for solving multiple types of linear one-dimensional Fredholm integro-differential equations using least squares support vector machine (LS-SVM) algorithm, even in singular cases. The proposed method combines the original LS-SVM model with the composite Simpson method, which transforms the original solution problem into an optimization problem with equality constraints. Then the original problem is reduced to seeking the LS-SVM model parameters, which further reduces the calculation cost. An explicit expression for the numerical solution of the Fredholm integro-differential equations is given. Finally, the constructed LS-SVM model is evaluated through numerical experiments, and the obtained solutions demonstrate the robustness and validity of the constructed model.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:470:y:2024:i:c:s0096300324000298

DOI: 10.1016/j.amc.2024.128557

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