Numerical Solution Two-Dimensional Volterra-Fredholm Integral Equations of the Second Kind with Block-Pulse Functions Based on Legendre Polynomials

Document Type : Full Length Article

Authors

1 Department of Mathematics Kermanshah Branch, Islamic Azad University, Kermanshah, Iran

2 Department of Mathematics, Hamedan Branch, Islamic Azad University, Hamedan, Iran.

3 Department of Mathematics Hamedan Branch, Islamic Azad University Hamedan, Iran.

Abstract

In this paper, we present a new numerical technique based on Block-pulse functions to solve two-dimensional Volterra-Fredholm integral equations of the second kind. To produce Block-pulse functions, the orthogonal Legendre polynomials is used. Furthermore, operational matrix is applied to convert two-dimensional Volterra-Fredholm integral equations to a linear algebraic system. The convergence analysis of the new method is discussed. Finally, some numerical examples are given to confirm the applicability and efficiency of the new method for solving two-dimensional Volterra-Fredholm integral equations of the second kind.

Keywords

International Journal of Mathematical Modelling & Computations

Articles in Press, Accepted Manuscript
Available Online from 08 February 2022

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