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Linear programming relaxations are central to {\sc map} inference in discrete Markov Random Fields. The ability to properly solve the Lagrangian dual is a critical component of such methods. In this paper, we study the benefit of using…

计算机视觉与模式识别 · 计算机科学 2017-09-06 Hariprasad Kannan , Nikos Komodakis , Nikos Paragios

In recent years, various subspace algorithms have been developed to handle large-scale optimization problems. Although existing subspace Newton methods require fewer iterations to converge in practice, the matrix operations and full…

最优化与控制 · 数学 2024-06-05 Taisei Miyaishi , Ryota Nozawa , Pierre-Louis Poirion , Akiko Takeda

In order to avoid the evaluation of the Jacobian matrix and its inverse, the present author recently introduced the pseudo-Jacobian matrix with a general applicability of any nonlinear systems of equations. By using this concept, this paper…

数值分析 · 数学 2025-10-20 W. Chen

Physics-informed machine learning and inverse modeling require the solution of ill-conditioned non-convex optimization problems. First-order methods, such as SGD and ADAM, and quasi-Newton methods, such as BFGS and L-BFGS, have been applied…

数值分析 · 数学 2021-05-18 Kailai Xu , Eric Darve

This paper considers the problems of solving monotone variational inequalities with H\"older continuous Jacobians. By employing the knowledge of H\"older parameter $\nu$, we propose the $\nu$-regularized extra-Newton method within at most…

最优化与控制 · 数学 2022-12-19 Chengchang Liu , Luo Luo

The nonlinear systems obtained by discretizing degenerate parabolic equations may be hard to solve, especially with Newton's method. In this paper, we apply to Richards equation a strategy that consists in defining a new primary unknown for…

偏微分方程分析 · 数学 2016-08-08 Konstantin Brenner , Clément Cancès

This paper introduces an innovative method for ensuring global stability in a broad array of nonlinear systems. The novel approach enhances the traditional analysis based on Jacobian matrices by incorporating the Taylor series boundary…

系统与控制 · 电气工程与系统科学 2024-08-07 Samaneh Alsadat Saeedinia , Mojtaba Sharifi , Seyed Mohammad Hosseindokht , Hedieh Jafarpourdavatgar

We consider the finite-sum optimization problem, where each component function is strongly convex and has Lipschitz continuous gradient and Hessian. The recently proposed incremental quasi-Newton method is based on BFGS update and achieves…

最优化与控制 · 数学 2024-02-06 Zhuanghua Liu , Luo Luo , Bryan Kian Hsiang Low

This paper addresses the challenge of solving large-scale nonlinear equations with H\"older continuous Jacobians. We introduce a novel Incremental Gauss--Newton (IGN) method within explicit superlinear convergence rate, which outperforms…

最优化与控制 · 数学 2024-07-04 Zhiling Zhou , Zhuanghua Liu , Chengchang Liu , Luo Luo

For solving large-scale non-convex problems, we propose inexact variants of trust region and adaptive cubic regularization methods, which, to increase efficiency, incorporate various approximations. In particular, in addition to approximate…

最优化与控制 · 数学 2018-02-21 Zhewei Yao , Peng Xu , Farbod Roosta-Khorasani , Michael W. Mahoney

In this paper, we propose and analyze some practical Newton methods for electronic structure calculations. We show the convergence and the local quadratic convergence rate for the Newton method when the Newton search directions are…

最优化与控制 · 数学 2020-01-28 Xiaoying Dai , Liwei Zhang , Aihui Zhou

This work is on constrained large-scale non-convex optimization where the constraint set implies a manifold structure. Solving such problems is important in a multitude of fundamental machine learning tasks. Recent advances on Riemannian…

机器学习 · 计算机科学 2023-02-23 Yian Deng , Tingting Mu

In this paper, we propose a third-order Newton's method which in each iteration solves a semidefinite program as a subproblem. Our approach is based on moving to the local minimum of the third-order Taylor expansion at each iteration,…

最优化与控制 · 数学 2023-06-08 Olha Silina , Jeffrey Zhang

It is well known that the Newton method may not converge when the initial guess does not belong to a specific quadratic convergence region. We propose a family of new variants of the Newton method with the potential advantage of having a…

数值分析 · 数学 2021-03-30 Regina S. Burachik , Bethany I. Caldwell , C. Yalçın Kaya

While there already exist randomized subspace Newton methods that restrict the search direction to a random subspace for a convex function, we propose a randomized subspace regularized Newton method for a non-convex function {and more…

最优化与控制 · 数学 2025-09-23 Terunari Fuji , Pierre-Louis Poirion , Akiko Takeda

We introduce new multilevel methods for solving large-scale unconstrained optimization problems. Specifically, the philosophy of multilevel methods is applied to Newton-type methods that regularize the Newton sub-problem using second order…

最优化与控制 · 数学 2024-07-16 Nick Tsipinakis , Panos Parpas

The use of implicit time-stepping schemes for the numerical approximation of solutions to stiff nonlinear time-evolution equations brings well-known advantages including, typically, better stability behaviour and corresponding support of…

数值分析 · 数学 2025-02-14 Tianyu Jin , Georg Maierhofer , Katharina Schratz , Yang Xiang

We analyze the performance of a variant of Newton method with quadratic regularization for solving composite convex minimization problems. At each step of our method, we choose regularization parameter proportional to a certain power of the…

最优化与控制 · 数学 2022-08-12 Nikita Doikov , Konstantin Mishchenko , Yurii Nesterov

Linear matrix equations, such as the Sylvester and Lyapunov equations, play an important role in various applications, including the stability analysis and dimensionality reduction of linear dynamical control systems and the solution of…

数值分析 · 数学 2019-05-30 Daniel Kressner , Stefano Massei , Leonardo Robol

In this paper, we investigate the convergence performance of a cooperative diffusion Gauss-Newton (GN) method, which is widely used to solve the nonlinear least squares problems (NLLS) due to the low computation cost compared with Newton's…

最优化与控制 · 数学 2019-03-06 Mou Wu , Naixue Xiong , Liansheng Tan