Numerical solution of systems of Cauchy singular integral equations with constant coefficients

被引:27
作者
De Bonis, Maria Carmela [1 ]
Laurita, Concetta [1 ]
机构
[1] Univ Basilicata, Dept Math Comp Sci & Econ, I-85100 Potenza, Italy
关键词
Cauchy singular integral equation; Quadrature method; Lagrange interpolation; QUADRATURE METHOD; SPACES;
D O I
10.1016/j.amc.2012.08.022
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
This paper deals with the numerical solution of a class of systems of Cauchy singular integral equations with constant coefficients. The proposed procedure consists of two basic steps: the first one is to consider a modified problem equivalent to the original one under suitable conditions, the second one is to approximate its solution by means of a vector of polynomial functions. Such array is constructed by applying a quadrature type method, based on Gaussian rules, that leads to solve a determined and well conditioned linear system. The convergence and stability of the method are proved in weighted L-2 spaces. Some numerical tests are also shown. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:1391 / 1410
页数:20
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