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Modified incomplete orthogonal factorization methods using Givens rotations 期刊论文
COMPUTING, 2009, 卷号: 86, 期号: 1, 页码: 53-69
Authors:  Bai, Zhong-Zhi;  Yin, Jun-Feng
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Preconditioner  Givens rotation  Incomplete orthogonal factorization  Nonsymmetric matrix  
Numerical study on incomplete orthogonal factorization preconditioners 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2009, 卷号: 226, 期号: 1, 页码: 22-41
Authors:  Bai, Zhong-Zhi;  Duff, Iain S.;  Yin, Jun-Feng
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Preconditioning  Givens rotation  Incomplete orthogonal factorization  Nonsymmetric matrix  Normal equations  
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
Authors:  Yin, Junfeng;  Bai, Zhongzhi
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block two-by-two linear system  saddle point problem  restrictively preconditioned conjugate gradient method  normal-residual equation  incomplete orthogonal factorization  
A class of incomplete orthogonal factorization methods. I: Methods and theories 期刊论文
BIT, 2001, 卷号: 41, 期号: 1, 页码: 53-70
Authors:  Bai, ZZ;  Duff, IS;  Wathen, AJ
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preconditioning  linear systems  sparse least squares  modified Gram-Schmidt orthogonalization  Givens rotations  incomplete orthogonal factorizations