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Approximating the singular integrals of Cauchy type with weight function on the interval


Citation

K. Eshkuvatov, Zainidin and Nik Long, Nik Mohd Asri (2010) Approximating the singular integrals of Cauchy type with weight function on the interval. Journal of Computational and Applied Mathematics. ISSN 0377-0427

Abstract / Synopsis

It is known that the solutions of characteristic singular integral equations (SIEs) are expressed in terms of singular integrals of Cauchy type with weight functions w (x) = (1 + x)ν (1 - x)μ, where ν = ± frac(1, 2), μ = ± frac(1, 2). New quadrature formulas (QFs) are presented to approximate the singular integrals (SIs) of Cauchy type for all solutions of characteristic SIE on the interval [- 1, 1]. Linear spline interpolation, modified discrete vortex method and product quadrature rule are utilized to construct the QFs. Estimation of errors are obtained in the classes of functions Hα ([- 1, 1], A) and C1 ([- 1, 1]). It is found that the numerical results are very stable even for the cases of semi-bounded and unbounded solutions of singular integral equation of the first kind.


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Additional Metadata

Item Type: Article
Divisions: Institute for Mathematical Research
DOI Number: 10.1016/j.cam.2010.09.013
Publisher: Elsevier
Keywords: Approximation, Discrete vortex method, Quadrature formula, Singular integral, Singular integral equations, Spline
Depositing User: Erni Suraya Abdul Aziz
Date Deposited: 17 Dec 2010 08:49
Last Modified: 22 Sep 2015 14:40
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.cam.2010.09.013
URI: http://psasir.upm.edu.my/id/eprint/8755
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