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  • 1 Eötvös Lóránd University Department of Numerical Analysis Bogdánfy U. 10/B 1117 Hungary Bogdánfy U. 10/B 1117 Hungary
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A new preconditioned conjugate gradient (PCG)-based domain decomposition method is given for the solution of linear equations arising in the finite element method applied to the elliptic Neumann problem. The novelty of the proposed method is in the recommended preconditioner which is constructed by using cyclic matrix. The resulting preconditioned algorithms are well suited to parallel computation.

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