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检索条件"主题词=Preconditioned conjugate gradient algorithm"
14 条 记 录,以下是11-20 订阅
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Multiplicative Schwarz algorithms for the p-version Galerkin boundary element method in 3D
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APPLIED NUMERICAL MATHEMATICS 2006年 第10-11期56卷 1370-1382页
作者: Maischak, Matthias Univ Hannover Inst Angew Math Hannover Germany
We study a 2-level multiplicative Schwarz method for the p version Galerkin boundary element method for a weakly singular integral equation of the first kind in 3D. We prove that the rate of convergence of the multipl... 详细信息
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Iterative refinement techniques for the spectral factorization of polynomials
Iterative refinement techniques for the spectral factorizati...
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Conference on Advanced Signal Processing algorithms, Architectures and Implementations XII
作者: Bacciardi, A Gemignani, L Univ Pisa Dipartimento Informat I-56125 Pisa Italy
In this paper we propose a superfast implementation of Wilson's method for the spectral factorization of Laurent polynomials based on a preconditioned conjugate gradient algorithm. The new computational scheme fol... 详细信息
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Multilevel additive Schwarz method for the h-p version of the Galerkin boundary element method
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MATHEMATICS OF COMPUTATION 1998年 第222期67卷 501-518页
作者: Heuer, N Stephan, EP Tran, T Univ Bremen Inst Wissensch Datenverarbeitung D-28334 Bremen Germany Leibniz Univ Hannover Inst Angew Math D-30167 Hannover Germany Univ New S Wales Sch Math Sydney NSW 2052 Australia
We study a multilevel additive Schwarz method for the h-p version of the Galerkin boundary element method with geometrically graded meshes. Both hypersingular and weakly singular integral equations of the first kind a... 详细信息
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A circulant preconditioner for domain decomposition algorithm for the solution of the elliptic problems
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Periodica Mathematica Hungarica 1994年 第1期29卷 67-80页
作者: Kiss, B. Molnárka, G. Rahman, N.A.A. Department of Mathematics István Széchenyi College Gyor H-9026 Hedervári u. 3 Hungary Department of Numerical Analysis Loránd Eotvos University Budapest H-1088 Múzeum KRT 6-8 Hungary
A preconditioned conjugate gradient (PCG)-based domain decomposition method was given in [11] and [12] for the solution of linear equations arising in the finite element method applied to the elliptic Neumann problem.... 详细信息
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