Results 21 to 30 of about 17,647,919 (136)

On the behavior of Lagrange multipliers in convex and nonconvex infeasible interior point methods [PDF]

open access: yesMathematical Programming, 2019
We analyze sequences generated by interior point methods (IPMs) in convex and nonconvex settings. We prove that moving the primal feasibility at the same rate as the barrier parameter $μ$ ensures the Lagrange multiplier sequence remains bounded, provided the limit point of the primal sequence has a Lagrange multiplier.
Gabriel Haeser   +2 more
openaire   +4 more sources

An infeasible interior-point method for the $P_*$-matrix linear complementarity‎ ‎problem based on a trigonometric kernel function with full-Newton‎ ‎step

open access: yesCommunications in Combinatorics and Optimization, 2018
An infeasible interior-point algorithm for solving the‎ ‎$P_*$-matrix linear complementarity problem based on a kernel‎ ‎function with trigonometric barrier term is analyzed‎.
B‎. ‎Kheirfam, M‎. ‎Haghighi
doaj   +1 more source

Convergence Analysis of the Inexact Infeasible Interior-Point Method for Linear Optimization [PDF]

open access: yesJournal of Optimization Theory and Applications, 2008
This article studies the use of a primal-dual interior point method for solving large scale linear programs. The article begins with a presentation of the background to this problem and an overview of the existing literature, including the use of Preconditioned Conjugate Gradients (PCG) for inexact infeasible path-following algorithms.
Al-Jeiroudi, G., Gondzio, J.
openaire   +2 more sources

A penalty barrier framework for nonconvex constrained optimization [PDF]

open access: yesJournal of Nonsmooth Analysis and Optimization
We consider minimization problems with structured objective function and smooth constraints, and present a flexible framework that combines the beneficial regularization effects of (exact) penalty and interior-point methods.
Alberto De Marchi, Andreas Themelis
doaj   +1 more source

A numerical study of an infeasible interior-point algorithm for convex quadratic semi-definite optimization

open access: yesJournal of Numerical Analysis and Approximation Theory
The focus of this research is to apply primal-dual interior-point pathfollowing methods, specifically those derived from Newton’s method for solving convex quadratic semidefinite optimization (CQSDO) problems. In this paper, we present a numerical study
Yasmina Bendaas, Mohamed Achache
doaj   +1 more source

Disjunctive Programming and Piecewise Convexity: An Algorithmic Trajectory Analysis Toward Stationary Points to Avoid the Maratos Effect in Numerical Optimization

open access: yesMathematics
In this paper, we present an algorithmic modeling approach based on Disjunctive Programming using Boolean logic “OR” to solve the Optimal Phasor Measurement Unit Placement (OPP).
Nikolaos P. Theodorakatos   +2 more
doaj   +1 more source

A preconditioned inexact infeasible quantum interior point method for linear optimization

open access: yesComputational Optimization and Applications
Abstract Quantum Interior Point Methods (QIPMs) have been attracting significant interests recently due to their potential of solving optimization problems substantially faster than state-of-the-art conventional algorithms. In general, QIPMs use Quantum Linear System Algorithms (QLSAs) to substitute classical linear system solvers ...
Zeguan Wu, Xiu Yang, Tamás Terlaky
openaire   +2 more sources

An infeasible interior-point algorithm for monotone linear complementarity problems based on a finite hyperbolic kernel function [PDF]

open access: yes
summary:This paper concerns an infeasible kernel-based interior-point algorithm (IPA) for monotone linear complementarity problems (LCPs). Our algorithm differs from other existing algorithms in the literature since its feasibility step is induced by a ...
Chikouche, Wided   +2 more
core   +1 more source

Infeasible-Interior-Point Primal-Dual Potential-Reduction Algorithms for Linear Programming

open access: yes, 1992
Infeasible-Interior-Point Primal-Dual Potential-Reduction Algorithms for Linear ...
Mizuno, S., Todd, M. J., Kojima, M.
core   +5 more sources

On the relationship between bilevel decomposition algorithms and direct interior-point methods [PDF]

open access: yes, 2004
Engineers have been using bilevel decomposition algorithms to solve certain nonconvex large-scale optimization problems arising in engineering design projects.
Miguel, Angel Víctor de   +3 more
core   +1 more source

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