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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:138/0  |  提交时间:2022/04/29
multigrid  inexact two-grid methods  convergence factor  eigenvalue analysis  
An efficient algorithm to compute the X-ray transform 期刊论文
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 2021, 页码: 19
作者:  Chen, Chong;  Wang, Runqian;  Bajaj, Chandrajit;  Oktem, Ozan
收藏  |  浏览/下载:102/0  |  提交时间:2022/04/02
X-ray transform  intersection length  projection matrix  non-vanishing intersectability  ambiguity and flexibility  tomographic image reconstruction  
Group-Sparse SVD Models via L-1- and L-0-norm Penalties and their Applications in Biological Data 期刊论文
IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, 2021, 卷号: 33, 期号: 2, 页码: 536-550
作者:  Min, Wenwen;  Liu, Juan;  Zhang, Shihua
收藏  |  浏览/下载:152/0  |  提交时间:2021/04/26
Sparse SVD  low-rank matrix decomposition  group-sparse penalty  overlapping group-sparse penalty  coordinate descent method  alternating direction method of multipliers (ADMM)  data mining  
Distributed Kalman Filters With State Equality Constraints: Time-Based and Event-Triggered Communications 期刊论文
IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 2020, 卷号: 65, 期号: 1, 页码: 28-43
作者:  He, Xingkang;  Hu, Chen;  Hong, Yiguang;  Shi, Ling;  Fang, Hai-Tao
收藏  |  浏览/下载:174/0  |  提交时间:2020/05/24
Kalman filters  Observability  Covariance matrices  STEM  Protocols  State estimation  Collective observability  communication rate  consistency  distributed kalman filter  event-triggered  multiagent systems  state equality constraint (SEC)  
Particle sorting for the projection based particle method 期刊论文
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS, 2019, 卷号: 109, 页码: 199-208
作者:  Fair, Rebecca;  Guo, Xiaohu;  Cui, Tao
收藏  |  浏览/下载:150/0  |  提交时间:2020/05/24
Particle sorting  Projection based particle method  ISPH  Natural sorting  Space-filling curve  Sparse linear solver  
Distributed optimisation design for solving the Stein equation with constraints 期刊论文
IET CONTROL THEORY AND APPLICATIONS, 2019, 卷号: 13, 期号: 15, 页码: 2492-2499
作者:  Chen, Guanpu;  Zeng, Xianlin;  Hong, Yiguang
收藏  |  浏览/下载:145/0  |  提交时间:2020/05/24
least squares approximations  gradient methods  convergence  matrix algebra  concave programming  multi-agent systems  distributed optimisation design  Stein equations  set constraints  rows  columns  coefficient matrices  equivalent distributed optimisation problem  projection-based algorithm  least-squares solution  constrained Stein equation  multiagent system network  simplified distributed algorithm  
Locality preserving projection on SPD matrix Lie group: algorithm and analysis 期刊论文
SCIENCE CHINA-INFORMATION SCIENCES, 2018, 卷号: 61, 期号: 9, 页码: 15
作者:  Li, Yangyang;  Lu, Ruqian
收藏  |  浏览/下载:164/0  |  提交时间:2018/07/30
manifold learning  SPD matrix Lie group  locally preserving projection  Laplace operator  Log Euclidean metric  
The minimal measurement number for low-rank matrix recovery 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2018, 卷号: 44, 期号: 2, 页码: 497-508
作者:  Xu, Zhiqiang
收藏  |  浏览/下载:136/0  |  提交时间:2018/07/30
Low-rank matrices  Phase retrieval  Determinant variety  
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:826/150  |  提交时间:2018/07/25
PDE-constrained optimization  Saddle point matrices  Preconditioner  Cholesky decomposition  Spectral bound  
An orthogonally accumulated projection method for symmetric linear system of equations 期刊论文
SCIENCE CHINA-MATHEMATICS, 2016, 卷号: 59, 期号: 7, 页码: 1235-1248
作者:  Peng WuJian;  Lin Qun;  Zhang ShuHua
收藏  |  浏览/下载:88/0  |  提交时间:2018/07/30
iterative method  accumulated projection  conjugate gradient method  Krylov subspace