中文
相关论文

相关论文: Exploiting Sparsity in the Coefficient Matching Co…

200 篇论文

The objective of this paper is to design an efficient and convergent alternating direction method of multipliers (ADMM) for finding a solution of medium accuracy to conic programming problems whose constraints consist of linear equalities,…

最优化与控制 · 数学 2014-12-02 Defeng Sun , Kim-Chuan Toh , Liuqin Yang

The linearly constrained convex composite programming problems whose objective function contains two blocks with each block being the form of nonsmooth+smooth arises frequently in multiple fields of applications. If both of the smooth terms…

最优化与控制 · 数学 2021-11-25 Congying Qin , Yunhai Xiao , Peili Li

In real-world applications, it is important for machine learning algorithms to be robust against data outliers or corruptions. In this paper, we focus on improving the robustness of a large class of learning algorithms that are formulated…

机器学习 · 计算机科学 2021-06-04 Quanming Yao , Hangsi Yang , En-Liang Hu , James Kwok

Convex quadratic programs (QPs) constitute a fundamental computational primitive across diverse domains including financial optimization, control systems, and machine learning. The alternating direction method of multipliers (ADMM) has…

最优化与控制 · 数学 2025-05-15 Xi Gao , Jinxin Xiong , Linxin Yang , Akang Wang , Weiwei Xu , Jiang Xue

As an extension of the alternating direction method of multipliers (ADMM), the semi-proximal ADMM (sPADMM) has been widely used in various fields due to its flexibility and robustness. In this paper, we first show that the two-block sPADMM…

最优化与控制 · 数学 2025-05-28 Peng Liu , Liang Chen , Minru Bai

In this paper, we propose a generalized alternating direction method of multipliers (ADMM) with semi-proximal terms for solving a class of convex composite conic optimization problems, of which some are high-dimensional, to moderate…

最优化与控制 · 数学 2018-01-17 Yunhai Xiao , Liang Chen , Donghui Li

In this paper, we develop a symmetric accelerated stochastic Alternating Direction Method of Multipliers (SAS-ADMM) for solving separable convex optimization problems with linear constraints. The objective function is the sum of a possibly…

最优化与控制 · 数学 2021-12-21 Jianchao Bai , Deren Han , Hao Sun , Hongchao Zhang

In this paper, we propose an inexact multi-block ADMM-type first-order method for solving a class of high-dimensional convex composite conic optimization problems to moderate accuracy. The design of this method combines an inexact 2-block…

最优化与控制 · 数学 2020-06-09 Liang Chen , Defeng Sun , Kim-Chuan Toh

We introduce Newton-ADMM, a method for fast conic optimization. The basic idea is to view the residuals of consecutive iterates generated by the alternating direction method of multipliers (ADMM) as a set of fixed point equations, and then…

最优化与控制 · 数学 2017-06-21 Alnur Ali , Eric Wong , J. Zico Kolter

Alternating direction methods of multipliers (ADMMs) are popular approaches to handle large scale semidefinite programs that gained attention during the past decade. In this paper, we focus on solving doubly nonnegative programs (DNN),…

最优化与控制 · 数学 2020-09-15 Martina Cerulli , Marianna De Santis , Elisabeth Gaar , Angelika Wiegele

We investigate the local linear convergence properties of the Alternating Direction Method of Multipliers (ADMM) when applied to Semidefinite Programming (SDP). A longstanding belief suggests that ADMM is only capable of solving SDPs to…

最优化与控制 · 数学 2026-05-19 Shucheng Kang , Xin Jiang , Heng Yang

We propose a homogeneous primal-dual interior-point method to solve sum-of-squares optimization problems by combining non-symmetric conic optimization techniques and polynomial interpolation. The approach optimizes directly over the…

最优化与控制 · 数学 2018-12-24 Dávid Papp , Sercan Yıldız

In this paper, we propose a new stochastic alternating direction method of multipliers (ADMM) algorithm, which incrementally approximates the full gradient in the linearized ADMM formulation. Besides having a low per-iteration complexity as…

机器学习 · 计算机科学 2013-08-19 Leon Wenliang Zhong , James T. Kwok

An inexact accelerated stochastic Alternating Direction Method of Multipliers (AS-ADMM) scheme is developed for solving structured separable convex optimization problems with linear constraints. The objective function is the sum of a…

最优化与控制 · 数学 2020-10-27 Jianchao Bai , William W. Hager , Hongchao Zhang

To ensure the system stability of the $\bf{\mathcal{H}_{2}}$-guaranteed cost optimal decentralized control problem (ODC), an approximate semidefinite programming (SDP) problem is formulated based on the sparsity of the gain matrix of the…

最优化与控制 · 数学 2024-02-05 Bo Yang , Xinyuan Zhao , Xudong Li , Defeng Sun

This paper aims to present a fairly accessible generalization of several symmetric Gauss-Seidel decomposition based multi-block proximal alternating direction methods of multipliers (ADMMs) for convex composite optimization problems. The…

最优化与控制 · 数学 2020-06-09 Liang Chen , Defeng Sun , Kim-Chuan Toh , Ning Zhang

We consider a proximal operator given by a quadratic function subject to bound constraints and give an optimization algorithm using the alternating direction method of multipliers (ADMM). The algorithm is particularly efficient to solve a…

最优化与控制 · 数学 2014-12-31 Miguel Á. Carreira-Perpiñán

We consider the least-squares approximation of a matrix C in the set of doubly stochastic matrices with the same sparsity pattern as C. Our approach is based on applying the well-known Alternating Direction Method of Multipliers (ADMM) to a…

最优化与控制 · 数学 2019-10-14 Nikitas Rontsis , Paul J. Goulart

Semidefinite programs (SDP) are one of the most versatile frameworks in numerical optimization, serving as generalizations of many conic programs and as relaxations of NP-hard combinatorial problems. Their main drawback is their…

最优化与控制 · 数学 2022-02-28 Biel Roig-Solvas , Mario Sznaier

This paper is devoted to the design of an efficient and convergent {semi-proximal} alternating direction method of multipliers (ADMM) for finding a solution of low to medium accuracy to convex quadratic conic programming and related…

最优化与控制 · 数学 2014-09-10 Xudong Li , Defeng Sun , Kim-Chuan Toh