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Interpolation method for solving Volterra integral equations with weakly singular kernel using an advanced barycentric Lagrange formula

open access: yesAin Shams Engineering Journal, 2022
We presented an interpolation method for solving weakly singular Volterra integral equations of the second kind (SVK2). The method based on the barycentric Lagrange interpolation.. For the chosen nodes of the two singular kernel variables, we created two
E.S. Shoukralla   +3 more
doaj   +2 more sources

Shifted Fractional-Order Jacobi Collocation Method for Solving Variable-Order Fractional Integro-Differential Equation with Weakly Singular Kernel

open access: yesFractal and Fractional, 2021
We propose a fractional-order shifted Jacobi–Gauss collocation method for variable-order fractional integro-differential equations with weakly singular kernel (VO-FIDE-WSK) subject to initial conditions.
Mohamed A. Abdelkawy   +4 more
doaj   +2 more sources

Singularly perturbed Volterra integral equations with weakly singular kernels [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2002
We consider finding asymptotic solutions of the singularly perturbed linear Volterra integral equations with weakly singular kernels. An interesting aspect of these problems is that the discontinuity of the kernel causes layer solutions to decay ...
Angelina Bijura
doaj   +2 more sources

Alternative Legendre Polynomials Method for Nonlinear Fractional Integro-Differential Equations with Weakly Singular Kernel

open access: yesJournal of Mathematics, 2021
In this paper, we present a numerical scheme for finding numerical solution of a class of weakly singular nonlinear fractional integro-differential equations. This method exploits the alternative Legendre polynomials.
Guodong Shi, Yanlei Gong, Mingxu Yi
doaj   +2 more sources

Reproducing kernel method for a class of weakly singular Fredholm integral equations

open access: yesJournal of Taibah University for Science, 2018
Numerical methods for solving integral equations have been the focus of much research, including reproducing kernel methods. We present a new algorithm to solve weakly singular Fredholm integral equations (WSFIEs). The advantage of this method is that it
Azizallah Alvandi, Mahmoud Paripour
doaj   +2 more sources

Alternating direction implicit difference scheme for the multi-term time-fractional integro-differential equation with a weakly singular kernel

open access: yesComputers and Mathematics With Applications, 2020
We present an alternating direction implicit (ADI) difference scheme for the multi-term time-fractional integro-differential equation with a weakly singular kernel. The Caputo fractional derivative is discretized by L1 method and the integro-differential
, Da Xu
exaly   +2 more sources

Legendre multi-Galerkin methods for Fredholm integral equations with weakly singular kernel and the corresponding eigenvalue problem

open access: yesJournal of Computational and Applied Mathematics, 2019
In this paper, we consider Legendre multi-Galerkin methods to solve Fredholm integral equations of the second kind with weakly singular kernel and the corresponding eigenvalue problem.
Bijaya Laxmi Panigrahi   +2 more
exaly   +2 more sources

A second-order accurate numerical method with graded meshes for an evolution equation with a weakly singular kernel

open access: yesJournal of Computational and Applied Mathematics, 2019
A second-order accurate numerical method with graded meshes is proposed and analyzed for an evolution equation with a weakly singular kernel. The graded meshes are employed to compensate for the singular behavior of the exact solution at t = 0 .
, Da Xu, Hongbin Chen
exaly   +2 more sources

A Numerical Study of Nonlinear Fractional Order Partial Integro-Differential Equation with a Weakly Singular Kernel

open access: yesFractal and Fractional, 2021
Fractional differential equations can present the physical pathways with the storage and inherited properties due to the memory factor of fractional order.
Tayyaba Akram   +4 more
doaj   +2 more sources

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