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CONVERGENCE ANALYSIS OF INEXACT TWO-GRID METHODS: A THEORETICAL FRAMEWORK 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2022, 卷号: 60, 期号: 1, 页码: 133-156
作者:  Xu, Xuefeng;  Zhang, Chen-Song
收藏  |  浏览/下载:143/0  |  提交时间:2022/04/29
multigrid  inexact two-grid methods  convergence factor  eigenvalue analysis  
A NEW FIRST-ORDER ALGORITHMIC FRAMEWORK FOR OPTIMIZATION PROBLEMS WITH ORTHOGONALITY CONSTRAINTS 期刊论文
SIAM JOURNAL ON OPTIMIZATION, 2018, 卷号: 28, 期号: 1, 页码: 302-332
作者:  Gao, Bin;  Liu, Xin;  Chen, Xiaojun;  Yuan, Ya-Xiang
收藏  |  浏览/下载:162/0  |  提交时间:2018/07/30
orthogonality constraint  Stiefel manifold  Householder transformation  gradient projection  block coordinate descent  
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:841/153  |  提交时间:2018/07/25
PDE-constrained optimization  Saddle point matrices  Preconditioner  Cholesky decomposition  Spectral bound  
Accelerating large partial EVD/SVD calculations by filtered block Davidson methods 期刊论文
SCIENCE CHINA-MATHEMATICS, 2016, 卷号: 59, 期号: 8, 页码: 1635-1662
作者:  Zhou Yunkai;  Wang Zheng;  Zhou Aihui
收藏  |  浏览/下载:115/0  |  提交时间:2018/07/30
partial EVD/SVD  polynomial filter  rational filter  kernel  graph  
IMPROVED PROJECTED GRADIENT ALGORITHMS FOR SINGLY LINEARLY CONSTRAINED QUADRATIC PROGRAMS SUBJECT TO LOWER AND UPPER BOUNDS 期刊论文
ASIA-PACIFIC JOURNAL OF OPERATIONAL RESEARCH, 2010, 卷号: 27, 期号: 1, 页码: 71-84
作者:  Fu, Yun-Shan;  Dai, Yu-Hong
收藏  |  浏览/下载:106/0  |  提交时间:2018/07/30
Monotone projected gradient algorithm  Support Vector Machine (SVM)  adaptive steepest descent step-size  Dai-Yuan step-size  projection subproblem  
On Nonmonotone Chambolle Gradient Projection Algorithms for Total Variation Image Restoration 期刊论文
JOURNAL OF MATHEMATICAL IMAGING AND VISION, 2009, 卷号: 35, 期号: 2, 页码: 143-154
作者:  Yu, Gaohang;  Qi, Liqun;  Dai, Yuhong
收藏  |  浏览/下载:85/0  |  提交时间:2018/07/30
Image restoration  Total variation  Gradient projection  Constrained optimization  
On the separable nonlinear least squares problems 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2008, 卷号: 26, 期号: 3, 页码: 390-403
作者:  Liu, Xin;  Yuan, Yaxiang
收藏  |  浏览/下载:108/0  |  提交时间:2018/07/30
separable nonlinear least squares problem  variable projection method  Gauss-Newton method  Levenberg-Marquardt method  trust region method  asymptotical convergence rate  data fitting  
The Crouzeix-Raviart Fe on nonmatching grids with an approximate mortar condition 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2008, 卷号: 46, 期号: 1, 页码: 496-516
作者:  Rahman, Talal;  Bjorstad, Petter;  Xu, Xuejun
收藏  |  浏览/下载:101/0  |  提交时间:2018/07/30
Crouzeix-Raviart finite element  nonmatching grids  mortar condition  additive Schwarz  
Fast algorithms for projection on an ellipsoid 期刊论文
SIAM JOURNAL ON OPTIMIZATION, 2006, 卷号: 16, 期号: 4, 页码: 986-1006
作者:  Dai, YH
收藏  |  浏览/下载:93/0  |  提交时间:2018/07/30
projection  ellipsoid  large-scale  hybrid algorithm  linear convergence