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检索条件"主题词=Non-Hermitian positive definite matrix"
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A SHIFT-SPLITTING PRECONDITIONER FOR non-hermitian positive definite MATRICES
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Journal of Computational Mathematics 2006年 第4期24卷 539-552页
作者: Zhong-zhi Bai Jun-feng Yin Yang-feng Su LSEC ICMSEC Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 China Department of Mathematics Fudan University Shanghai 200433 China
A shift splitting concept is introduced and, correspondingly, a shift-splitting iteration scheme and a shift-splitting preconditioner are presented, for solving the large sparse system of linear equations of which the... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
PRECONDITIONED HSS-LIKE ITERATIVE METHOD FOR SADDLE POINT PROBLEMS
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Journal of Computational Mathematics 2014年 第4期32卷 442-455页
作者: Qingbing Liu Guoliang Chen Caiqin Song Department of Mathematics Zhejiang Wanli University Ningbo 315100 China Department of Mathematics East China Normal University Shanghai 200241 China School of Mathematics Shandong University Jinan 250100 China
A new HSS-like iterative method is first proposed based on HSS-like splitting of non- hermitian (1,1) block for solving saddle point problems. The convergence analysis for the new method is given. Meanwhile, we cons... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论