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UNIT TRIANGULAR FACTORIZATION OF THE MATRIX SYMPLECTIC GROUP 期刊论文
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020, 卷号: 41, 期号: 4, 页码: 1630-1650
Authors:  Jin, Pengzhan;  Tang, Yifa;  Zhu, Aiqing
Favorite  |  View/Download:47/0  |  Submit date:2021/04/26
symplectic  symplectic matrix  triangular factorization  positive definite  singular symplectic matrix  generators  parameterization  unconstrained parametrization  
Inexact rotated block triangular preconditioners for a class of block two-by-two matrices 期刊论文
JOURNAL OF ENGINEERING MATHEMATICS, 2015, 卷号: 93, 期号: 1, 页码: 87-98
Authors:  Lang, Chao;  Ren, Zhi-Ru
Favorite  |  View/Download:51/0  |  Submit date:2018/07/30
Block two-by-two matrix  Block triangular preconditioning  Inexact preconditioning  Incomplete factorization  
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
Favorite  |  View/Download:51/0  |  Submit date:2018/07/30
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
Favorite  |  View/Download:43/0  |  Submit date:2018/07/30
Preconditioning  Givens rotation  Incomplete orthogonal factorization  Nonsymmetric matrix  Normal equations  
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
Favorite  |  View/Download:49/0  |  Submit date:2018/07/30
preconditioning  linear systems  sparse least squares  modified Gram-Schmidt orthogonalization  Givens rotations  incomplete orthogonal factorizations