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Interior-point methods for estimating seasonal parameters in discrete-time infectious disease models. [PDF]

open access: yesPLoS ONE, 2013
Infectious diseases remain a significant health concern around the world. Mathematical modeling of these diseases can help us understand their dynamics and develop more effective control strategies.
Daniel P Word   +4 more
doaj   +2 more sources

Quantum Interior Point Methods for Semidefinite Optimization [PDF]

open access: yesQuantum, 2023
We present two quantum interior point methods for semidefinite optimization problems, building on recent advances in quantum linear system algorithms. The first scheme, more similar to a classical solution algorithm, computes an inexact search direction ...
Brandon Augustino   +3 more
doaj   +1 more source

Comparative numerical study between line search methods and majorant functions in barrier logarithmic methods for linear programming

open access: yesJournal of Numerical Analysis and Approximation Theory, 2020
This paper presents a comparative numerical study between line search methods and majorant functions to compute the displacement step in barrier logarithmic method for linear programming.
Soraya Chaghoub, Djamel Benterki
doaj   +7 more sources

Stakeholder Perspectives on Energy Auctions: A Case Study in Roraima, Brazil

open access: yesEnergies, 2023
Energy auctions are commonly used to contract energy projects and are extensively studied from the regulator’s perspective. However, analyzing auctions from the stakeholders’ perspective is critical to determine the impact of regulatory details on the ...
Pedro Meirelles Villas-Bôas   +2 more
doaj   +1 more source

A primal–dual interior point method for a novel type-2 second order cone optimization

open access: yesResults in Control and Optimization, 2021
In this paper, we define a new, special second order cone as a type-k second order cone. We focus on the case of k=2, which can be viewed as a second order conic optimization (SOCO) problem with an additional complicating variable.
Md Sarowar Morshed   +2 more
doaj   +1 more source

Interior Point Methods

open access: yesJournal of Computational and Applied Mathematics, 2000
The simplex method starts from a basic feasible solution and moves along the boundary of the feasible region until an optimum is reached. At each step, the algorithm brings only one new variable into the basic set, regardless of the total number of variables.
Potra, Florian A., Wright, Stephen J.
  +4 more sources

A Non-Archimedean Interior Point Method and Its Application to the Lexicographic Multi-Objective Quadratic Programming

open access: yesMathematics, 2022
This work presents a generalized implementation of the infeasible primal-dual interior point method (IPM) achieved by the use of non-Archimedean values, i.e., infinite and infinitesimal numbers.
Lorenzo Fiaschi, Marco Cococcioni
doaj   +1 more source

An Algebraic-Based Primal–Dual Interior-Point Algorithm for Rotated Quadratic Cone Optimization

open access: yesComputation, 2023
In rotated quadratic cone programming problems, we minimize a linear objective function over the intersection of an affine linear manifold with the Cartesian product of rotated quadratic cones.
Karima Tamsaouete, Baha Alzalg
doaj   +1 more source

Learning to steer nonlinear interior-point methods

open access: yesEURO Journal on Computational Optimization, 2019
Interior-point or barrier methods handle nonlinear programs by sequentially solving barrier subprograms with a decreasing sequence of barrier parameters.
Renke Kuhlmann
doaj   +1 more source

Updating constraint preconditioners for KKT systems in quadratic programming via low-rank corrections [PDF]

open access: yes, 2015
This work focuses on the iterative solution of sequences of KKT linear systems arising in interior point methods applied to large convex quadratic programming problems.
Bellavia, S.   +3 more
core   +2 more sources

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