Sinc Nyström Method for Singularly Perturbed Love’s Integral Equation

Sinc Nyström Method for Singularly Perturbed Love’s Integral Equation

Year:    2013

East Asian Journal on Applied Mathematics, Vol. 3 (2013), Iss. 1 : pp. 48–58

Abstract

An efficient numerical method is proposed for the solution of Love’s integral equation $$f (x) + \frac{1}{π}\int_{-1}^1 \frac{c}{(x-y)^2+c^2} f (y)dy = 1, x ∈ [−1, 1]$$ where $c>0$ is a small parameter, by using a sinc Nyström method based on a double exponential transformation. The method is derived using the property that the solution $f(x)$ of Love’s integral equation satisfies $f (x) → 0.5$ for $x ∈ (−1, 1)$ when the parameter $c → 0$. Numerical results show that the proposed method is very efficient. 

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/eajam.291112.220213a

East Asian Journal on Applied Mathematics, Vol. 3 (2013), Iss. 1 : pp. 48–58

Published online:    2013-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    11

Keywords:    Love's integral equation sinc function Nyström method DE-sinc quadrature.