Toeplitz matrix completion via smoothing augmented Lagrange multiplier algorithm

RP Wen, SZ Li, F Zhou - Applied mathematics and computation, 2019 - Elsevier
Toplitz matrix completion (TMC) is to fill a low-rank Toeplitz matrix from a small subset of its
entries. Based on the augmented Lagrange multiplier (ALM) algorithm for matrix completion, …

[HTML][HTML] Quasi-Chebyshev accelerated iteration methods based on optimization for linear systems

RP Wen, GY Meng, CL Wang - Computers & Mathematics with Applications, 2013 - Elsevier
In this paper, we present a quasi-Chebyshev accelerated iteration method for solving a
system of linear equations. Compared with the Chebyshev semi-iterative method, the main …

A new gradient projection method for matrix completion

RP Wen, XH Yan - Applied Mathematics and Computation, 2015 - Elsevier
In this paper, a new gradient projection method is proposed, which generates a feasible matrix
sequences. The decent property of this method is proved. Based on the decent property, …

Modified quasi-Chebyshev acceleration to nonoverlapping parallel multisplitting method

RP Wen, FJ Ren, GY Meng - Numerical Algorithms, 2017 - Springer
In this study, we propose a modified quasi-Chebyshev acceleration to the nonoverlopping
multisplitting iteration method for solving the linear systems Ax = b where A is a real symmetric …

SOR-like methods with optimization model for augmented linear systems

RP Wen, SD Li, GY Meng - East Asian Journal on Applied …, 2017 - cambridge.org
There has been a lot of study on the SOR-like methods for solving the augmented system of
linear equations since the outstanding work of Golub, Wu and Yuan (BIT 41(2001)71-85) …

On the convergence of a new splitting iterative method for non-Hermitian positive definite linear systems

RP Wen, XH Yan, CL Wang - Applied Mathematics and Computation, 2014 - Elsevier
In this paper we present a new splitting method for solving a linear systems with non-Hermitian
positive definite coefficient matrix. This splitting overcomes the computation complexity of …

A Singular Value Thresholding with Diagonal‐Update Algorithm for Low‐Rank Matrix Completion

YH Duan, RP Wen, Y Xiao - Mathematical Problems in …, 2020 - Wiley Online Library
The singular value thresholding (SVT) algorithm plays an important role in the well‐known
matrix reconstruction problem, and it has many applications in computer vision and …

The two-stage iteration algorithms based on the shortest distance for low-rank matrix completion

RP Wen, LX Liu - Applied Mathematics and Computation, 2017 - Elsevier
Despite matrix completion requiring the global solution of a non-convex objective, there are
many computational efficient algorithms which are effective for a broad class of matrices. …

[HTML][HTML] Convergence theorems for block splitting iterative methods for linear systems

RP Wen, CL Wang, GY Meng - Journal of computational and applied …, 2007 - Elsevier
In this paper, we will present the block splitting iterative methods with general weighting
matrices for solving linear systems of algebraic equations Ax=b when the coefficient matrix A is …

Generalizations of the nonstationary multisplitting iterative method for symmetric positive definite linear systems

RP Wen, CL Wang, XH Yan - Applied Mathematics and Computation, 2010 - Elsevier
In this paper, we generalize the nonstationary parallel multisplitting iterative method for solving
the symmetric positive definite linear systems. With several choices of variable weighting …