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Дата изменения: Tue Oct 26 18:35:17 2010
Дата индексирования: Mon Oct 1 22:49:50 2012
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Поисковые слова: trees
"Application of multiprocessor systems for solving three-dimensional Fredholm integral equations of the first kind for vector functions"  
"Application of multiprocessor systems for solving three-dimensional Fredholm integral equations of the first kind for vector functions"
Lukyanenko D.V., Yagola A.G.

Some features of the numerical implementation of solving tree-dimensional Fredholm integral equations of the first kind for vector-functions with application of multiprocessor systems are considered. The Tikhonov regularization is applied to solve this ill-posed problem. The conjugate gradient method is used as a minimization procedure. The choice of the regularization parameter is performed according to the generalized discrepancy principle. A parallelization scheme for this problem is proposed; the efficiency of the approach under consideration is shown by the example of restoring magnetization parameters. This work was supported by the Russian Foundation for Basic Research (projects N 08-01-00160-a and N 10-01-91150-NFSC). The numerical results were obtained using the Computing Cluster of Moscow State University.

Keywords: three-dimensional Fredholm integral equations of the first-kind, conjugate gradient method, Tikhonov regularization, parallel algorithms

Lukyanenko D.V. e-mail: ukyanenko@physics.msu.ru;   Yagola A.G. e-mail: yagola@physics.msu.ru