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The restrictively preconditioned conjugate gradient methods on normal residual for block two-by-two linear systems 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2008, 卷号: 26, 期号: 2, 页码: 240-249
作者:  Yin, Junfeng;  Bai, Zhongzhi
收藏  |  浏览/下载:106/0  |  提交时间:2018/07/30
block two-by-two linear system  saddle point problem  restrictively preconditioned conjugate gradient method  normal-residual equation  incomplete orthogonal factorization  
A preconditioner for coupling system of natural boundary element and composite grid finite element 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2002, 卷号: 20, 期号: 2, 页码: 165-174
作者:  Hu, QY;  Yu, DH
收藏  |  浏览/下载:108/0  |  提交时间:2018/07/30
natural boundary reduction  composite grid  error estimate  preconditioner  condition number