ON ALGEBRAIC MULTILEVEL PRECONDITIONING METHODS

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摘要 Inthepresentpaperweextendthemethodpresentedby0.AxelssonandP.VassilevskicalledAMLPversion(i)ofrecursivelyconstructingpreconditionerforthestiffnessmatrixinthediscretizationofselfadjointsecondorderellipticboundaryvalueproblems.Inourextendedmethodthesystemstobeeliminatedoneachlevelcontainingthemajorblockmatricesofthegivenmatrixcanbesolvedapproximately,whiletheymustbesolvedexactlyintheoriginalmethod.
机构地区 不详
出版日期 1993年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)