Abstract
This paper presents a new numerical approximation method to solve a system of nonlinear Fredholm integral equations of second kind. Spectral collocation method and their properties are applied to determine the general solution procedure for nonlinear Fredholm integral equations (FIEs). The convergence and error analysis of spectral collocation method are incorporated for the given nonlinear model. Legendre–Gauss–Lobatto (LGL) points are used as collocation points with various Legendre–Gauss quadrature with weight functions. The use of Legendre polynomials, together with the Gauss quadrature collocation points is well known for the accurate approximations that converge exponentially. Finally, we validate our theoretical results with a number of numerical examples, which further enhance the efficiency of our proposed scheme.
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Communicated by Hui Liang.
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Khan, S.U., Ali, I. Convergence and error analysis of a spectral collocation method for solving system of nonlinear Fredholm integral equations of second kind. Comp. Appl. Math. 38, 125 (2019). https://doi.org/10.1007/s40314-019-0897-2
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DOI: https://doi.org/10.1007/s40314-019-0897-2
Keywords
- Spectral collocation method
- System of nonlinear Fredholm integral equations
- Linear transformation
- Legendre–Gauss–Lobatto points
- Convergence and error analysis