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3篇 您的检索式:作者名="Yifen Ke"
    题名 作者 年代 出处 被引量
1THE ALTERNATING DIRECTION METHODS FOR SOLVING THE SYLVESTER-TYPE MATRIX EQUATION AXB + CXTD = E显示文摘Yifen Ke Changfeng Ma 2017Journal of Computational Mathematics2017,35,5:2
2A new alternating positive semidefinite splitting preconditioner for saddle point problems from time-harmonic eddy current models显示文摘基于僵绳点矩阵的特殊积极 semidefinite splittings,我们建议切开的新轮流出现的积极 semidefinite (APSS ) 为从时间泛音旋涡水流问题的混合明确的表达的有限元素 discretization 产生的僵绳点问题的重复方法。我们证明新 APSS 重复方法为简单拓扑学和一般拓扑学的两个盒子是无条件地会聚的。新 APSS 矩阵能被用作 preconditioner 加速 Krylov subspace 方法的集中率。数字结果证明新 APSS preconditioner 比存在 preconditioners 优异。Yifen KE Changfeng MA Zhiru REN 2018Frontiers of Mathematics in China2018,13,2:0
3MODIFIED ALTERNATING POSITIVE SEMIDEFINITE SPLITTING PRECONDITIONER FOR TIME-HARMONIC EDDY CURRENT MODELS显示文摘In this paper,we consider a modified alternating positive semidefinite splitting preconditioner for solving the saddle point problems arising from the finite element discretization of the hybrid formulation of the time-harmonic eddy current model.The eigenvalue distribution and an upper bound of the degree of the minimal polynomial of the preconditioned matrix are studied for both simple and general topology.Numerical results demonstrate the effectiveness of the proposed preconditioner when it is used to accelerate the convergence rate of Krylov subspace methods such as GMRES.Yifen Ke Changfeng Ma 2021Journal of Computational Mathematics2021,39,5:0
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