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Restrictive preconditioners for conjugate gradient methods for symmetric positive definite linear systems 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2006, 卷号: 187, 期号: 2, 页码: 202-226
作者:  Bai, ZZ;  Wang, ZQ
收藏  |  浏览/下载:103/0  |  提交时间:2018/07/30
linear system  block two-by-two matrix  symmetric positive definite matrix  restrictive preconditioner  conjugate gradient method  
A class of nested iteration schemes for linear systems with a coefficient matrix with a dominant positive definite symmetric part 期刊论文
NUMERICAL ALGORITHMS, 2004, 卷号: 35, 期号: 2-4, 页码: 351-372
作者:  Axelsson, O;  Bai, ZZ;  Qiu, SX
收藏  |  浏览/下载:103/0  |  提交时间:2018/07/30
system of linear equations  inner/outer iteration  conjugate gradient method  Krylov subspace iterations  incomplete factorization  relaxation iteration  convergence theory  
Restrictively preconditioned conjugate gradient methods for systems of linear equations 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2003, 卷号: 23, 期号: 4, 页码: 561-580
作者:  Bai, ZZ;  Li, GQ
收藏  |  浏览/下载:110/0  |  提交时间:2018/07/30
nonsymmetric linear system  conjugate gradient method  Krylov subspace iteration  preconditioning  
A hybrid preconditioner of banded matrix approximation and alternating direction implicit iteration for symmetric Sinc-Galerkin linear systems 期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2003, 卷号: 366, 页码: 317-335
作者:  Ng, MK;  Bai, ZZ
收藏  |  浏览/下载:100/0  |  提交时间:2018/07/30
Toeplitz-plus-diagonal  ADI  banded  preconditioner