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The Stackelberg prediction game (SPG) is popular in characterizing strategic interactions between a learner and an attacker. As an important special case, the SPG with least squares loss (SPG-LS) has recently received much research…

最优化与控制 · 数学 2022-06-08 Jiali Wang , Wen Huang , Rujun Jiang , Xudong Li , Alex L. Wang

We suppose the existence of an oracle which solves any semidefinite programming (SDP) problem satisfying Slater's condition simultaneously at its primal and dual sides. We note that such an oracle might not be able to directly solve general…

最优化与控制 · 数学 2022-03-10 Bruno F. Lourenço , Masakazu Muramatsu , Takashi Tsuchiya

This paper develops a new storage-optimal algorithm that provably solves generic semidefinite programs (SDPs) in standard form. This method is particularly effective for weakly constrained SDPs. The key idea is to formulate an approximate…

最优化与控制 · 数学 2020-06-19 Lijun Ding , Alp Yurtsever , Volkan Cevher , Joel A. Tropp , Madeleine Udell

Nonlinear matrix equations arise in many practical contexts related to control theory, dynamical programming and finite element methods for solving some partial differential equations. In most of these applications, it is needed to compute…

数值分析 · 数学 2014-10-22 Negin Bagherpour , Nezam Mahdavi-Amiri

Many uncertainty sets encountered in control systems analysis and design can be expressed in terms of semialgebraic sets, that is as the intersection of sets described by means of polynomial inequalities. Important examples are for instance…

最优化与控制 · 数学 2015-09-15 Fabrizio Dabbene , Didier Henrion , Constantino Lagoa

The technique of semidefinite programming (SDP) relaxation can be used to obtain a nontrivial bound on the optimal value of a nonconvex quadratically constrained quadratic program (QCQP). We explore concave quadratic inequalities that hold…

最优化与控制 · 数学 2016-09-30 Jaehyun Park , Stephen Boyd

Quadratic programs with box constraints involve minimizing a possibly nonconvex quadratic function subject to lower and upper bounds on each variable. This is a well-known NP-hard problem that frequently arises in various applications. We…

最优化与控制 · 数学 2023-03-14 Yuzhou Qiu , E. Alper Yıldırım

In this paper, we show that the bundle method can be applied to solve semidefinite programming problems with a low rank solution without ever constructing a full matrix. To accomplish this, we use recent results from randomly sketching…

最优化与控制 · 数学 2021-02-02 Lijun Ding , Benjamin Grimmer

In this paper, we propose an efficient semidefinite programming (SDP) approach to worst-case linear discriminant analysis (WLDA). Compared with the traditional LDA, WLDA considers the dimensionality reduction problem from the worst-case…

机器学习 · 计算机科学 2023-07-19 Hui Li , Chunhua Shen , Anton van den Hengel , Qinfeng Shi

We present SSD, Software for Systems with Delays, a de novo MATLAB package for the analysis and model reduction of retarded time delay systems (RTDS). Underneath, our delay system object bridges RTDS representation and Linear Fractional…

最优化与控制 · 数学 2022-08-26 Suat Gumussoy

Correspondence problems are often modelled as quadratic optimization problems over permutations. Common scalable methods for approximating solutions of these NP-hard problems are the spectral relaxation for non-convex energies and the…

图形学 · 计算机科学 2017-05-18 Nadav Dym , Haggai Maron , Yaron Lipman

We investigate the use of linear programming tools for solving semidefinite programming relaxations of quadratically constrained quadratic problems. Classes of valid linear inequalities are presented, including sparse PSD cuts, and…

组合数学 · 数学 2012-06-28 Andrea Qualizza , Pietro Belotti , Francois Margot

We present Ca$\Sigma$oS, the first MATLAB software specifically designed for nonlinear sum-of-squares optimization. A symbolic polynomial algebra system allows to formulate parametrized sum-of-squares optimization problems and facilitates…

最优化与控制 · 数学 2025-09-30 Torbjørn Cunis , Jan Olucak

This chapter offers a comprehensive introduction to the least-squares neural network (LSNN) method introduced in [14,16], for solving scalar first-order hyperbolic partial differential equations, specifically linear advection-reaction…

数值分析 · 数学 2026-01-29 Min Liu , Zhiqiang Cai

A new package for nonlinear least squares fitting is introduced in this paper. This package implements a recently developed algorithm that, for certain types of nonlinear curve fitting, reduces the number of nonlinear parameters to be…

统计理论 · 数学 2024-02-07 J. A. F. Torvisco , R. Benítez , M. R. Arias , J. Cabello Sánchez

Semidefinite programming (SDP) provides a principled framework for convex relaxations of nonconvex geometric constraints in motion planning, yet existing solvers are too computationally expensive for real-time control, particularly on…

Randomized subspace embedding methods have had a great impact on the solution of a linear least squares (LS) problem by reducing its row dimension, leading to a randomized or sketched LS (sLS) problem, and use the solution of the sLS…

数值分析 · 数学 2026-02-12 Zhongxiao Jia , Xinyuan Wan

Solving an integer least squares (ILS) problem usually consists of two stages: reduction and search. This thesis is concerned with the reduction process for the ordinary ILS problem and the ellipsoid-constrained ILS problem. For the…

最优化与控制 · 数学 2015-03-17 Mazen Al Borno

This paper studies robust solutions and semidefinite linear programming (SDP) relaxations of a class of convex polynomial programs in the face of data uncertainty. The class of convex programs, called robust SOS-convex programs, includes…

最优化与控制 · 数学 2014-03-05 V. Jeyakumar , G. Li , J. Vicente-Perez

The aim of this paper is two-fold: firstly, to present subspace embedding properties for $s$-hashing sketching matrices, with $s\geq 1$, that are optimal in the projection dimension $m$ of the sketch, namely, $m=\mathcal{O}(d)$, where $d$…

数值分析 · 数学 2021-05-26 Coralia Cartis , Jan Fiala , Zhen Shao