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Spectral Analysis, Properties and Nonsingular Preconditioners for Singular Saddle Point Problems 期刊论文
COMPUTATIONAL METHODS IN APPLIED MATHEMATICS, 2018, 卷号: 18, 期号: 2, 页码: 237-256
作者:  Huang, Na;  Ma, Chang-Feng;  Zou, Jun
收藏  |  浏览/下载:146/0  |  提交时间:2018/07/30
Singular Saddle Point Problems  Preconditioners  Spectral Estimates  
Analysis on inexact block diagonal preconditioners for elliptic PDE-constrained optimization problems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 74, 期号: 10, 页码: 2423-2437
作者:  Huang, Na;  Ma, Chang-Feng
浏览  |  Adobe PDF(577Kb)  |  收藏  |  浏览/下载:815/150  |  提交时间:2018/07/25
PDE-constrained optimization  Saddle point matrices  Preconditioner  Cholesky decomposition  Spectral bound  
On semi-convergence of parameterized Uzawa methods for singular saddle point problems 期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2009, 卷号: 431, 期号: 5-7, 页码: 808-817
作者:  Zheng, Bing;  Bai, Zhong-Zhi;  Yang, Xi
收藏  |  浏览/下载:103/0  |  提交时间:2018/07/30
Saddle point problem  Singular matrix  Parameterized Uzawa method  Semi-convergence  Optimal iteration parameters  Semi-convergence factor