We are improving our search experience. To check which content you have full access to, or for advanced search, go back to the old search.

Search

Please fill in this field.
Filters applied:

Search Results

Showing 1-20 of 1,498 results
  1. Derivative-free separable quadratic modeling and cubic regularization for unconstrained optimization

    We present a derivative-free separable quadratic modeling and cubic regularization technique for solving smooth unconstrained minimization problems....

    A. L. Custódio, R. Garmanjani, M. Raydan in 4OR
    Article Open access 08 April 2023
  2. A derivative-free line search technique for Broyden-like method with applications to NCP, wLCP and SI

    We propose a new derivative-free line search technique which contains the classical Li-Fukushima derivative-free line search [Optim. Methods Softw....

    **gyong Tang, **chuan Zhou, Zhongfeng Sun in Annals of Operations Research
    Article 15 June 2022
  3. Managing low–acuity patients in an Emergency Department through simulation–based multiobjective optimization using a neural network metamodel

    This paper deals with Emergency Department (ED) fast-tracks for low-acuity patients, a strategy often adopted to reduce ED overcrowding. We focus on...

    Marco Boresta, Tommaso Giovannelli, Massimo Roma in Health Care Management Science
    Article Open access 10 June 2024
  4. Newton’s Method for Global Free Flight Trajectory Optimization

    Globally optimal free flight trajectory optimization can be achieved with a combination of discrete and continuous optimization. A key requirement is...

    Ralf Borndörfer, Fabian Danecker, Martin Weiser in Operations Research Forum
    Article Open access 08 August 2023
  5. Use of Static Surrogates in Hyperparameter Optimization

    Optimizing the hyperparameters and architecture of a neural network is a long yet necessary phase in most applications. This consuming process can...

    Dounia Lakhmiri, Sébastien Le Digabel in Operations Research Forum
    Article 16 February 2022
  6. End-to-end risk budgeting portfolio optimization with neural networks

    Traditional stochastic optimization in financial operations research applications consist of a two-step process: (1) calibrate parameters of the...

    A. Sinem Uysal, **aoyue Li, John M. Mulvey in Annals of Operations Research
    Article 26 August 2023
  7. Smoothing inexact Newton method based on a new derivative-free nonmonotone line search for the NCP over circular cones

    In this paper we consider the nonlinear complementarity problem over circular cones (CCNCP) which contains a lot of circular cone optimization...

    **gyong Tang, **chuan Zhou in Annals of Operations Research
    Article 30 August 2020
  8. Revenue maximization based joint optimization in mmWave cell-free network: an equivalent decomposition and alternative iteration combined approach

    Recently, the ever-increasing demands including higher rate and connection stability have bottlenecked the user experience of the traditional...

    Zhongyu Ma, Liang Ran, ... **anghong Lin in Telecommunication Systems
    Article 03 June 2024
  9. Practicable robust stochastic optimization under divergence measures with an application to equitable humanitarian response planning

    We seek to provide practicable approximations of the two-stage robust stochastic optimization model when its ambiguity set is constructed with an f -di...

    Aakil M. Caunhye, Douglas Alem in OR Spectrum
    Article Open access 21 May 2023
  10. GTIACO: energy efficient clustering algorithm based on game theory and improved ant colony optimization

    Recently, wireless sensor networks have been widely used for environmental and structural safety monitoring. However, node batteries cannot be...

    Hang Wan, Zhizhuo Qiu, ... William Derigent in Telecommunication Systems
    Article 04 April 2024
  11. A General Mathematical Framework for Constrained Mixed-variable Blackbox Optimization Problems with Meta and Categorical Variables

    A mathematical framework for modelling constrained mixed-variable optimization problems is presented in a blackbox optimization context. The...

    Charles Audet, Edward Hallé-Hannan, Sébastien Le Digabel in Operations Research Forum
    Article 23 February 2023
  12. Enhanced index tracking problem: a new optimization model and a sum-of-ratio based algorithm

    Enhanced index tracking as one of the approaches of stock portfolio selection has received great attention from researchers. In this paper, a new...

    F. Hooshmand, Z. Rasouli in OPSEARCH
    Article 21 June 2023
  13. Portfolio optimization and marginal contribution to risk on multivariate normal tempered stable model

    This paper proposes a market model with returns assumed to follow a multivariate normal tempered stable distribution defined by a mixture of the...

    Young Shin Kim in Annals of Operations Research
    Article 09 March 2022
  14. An optimization framework for large-scale screening under limited testing capacity with application to COVID-19

    We consider the problem of targeted mass screening of heterogeneous populations under limited testing capacity. Mass screening is an essential tool...

    Jiayi Lin, Hrayer Aprahamian, George Golovko in Health Care Management Science
    Article 24 April 2024
  15. Robust selective maintenance optimization of series–parallel mission-critical systems subject to maintenance quality uncertainty

    This paper studies the optimization of the joint selective maintenance and repairperson assignment problem when the quality of maintenance actions is...

    Hamzea Al-Jabouri, Ahmed Saif, Claver Diallo in Computational Management Science
    Article 15 June 2023
  16. Non-monotone derivative-free algorithm for solving optimization models with linear constraints: extensions for solving nonlinearly constrained models via exact penalty methods

    This paper describes a non-monotone direct search method (NMDSM) that finds a stationary point of linearly constrained minimization problems. At each...

    Ubaldo M. García-Palomares in TOP
    Article 27 February 2020
  17. Nonlinear optimization and support vector machines

    Support vector machine (SVM) is one of the most important class of machine learning models and algorithms, and has been successfully applied in...

    Veronica Piccialli, Marco Sciandrone in Annals of Operations Research
    Article Open access 14 April 2022
  18. Essentials of numerical nonsmooth optimization

    Approximately sixty years ago two seminal findings, the cutting plane and the subgradient methods, radically changed the landscape of mathematical...

    Manlio Gaudioso, Giovanni Giallombardo, Giovanna Miglionico in Annals of Operations Research
    Article Open access 02 February 2022
  19. Optimization of Port Cluster Facilities and Equipment Resources Operation

    By summarizing the characteristics of yard, domestic and foreign scholars divide the study of yard operation optimization into two categories from...
    Chapter 2023
  20. Cloud computing load prediction by decomposition reinforced attention long short-term memory network optimized by modified particle swarm optimization algorithm

    Computer resources provision over the internet resulted in the wide spread usage of cloud computing paradigm. With the use of such resources come...

    Nebojsa Bacanin, Vladimir Simic, ... Aleksandar Petrovic in Annals of Operations Research
    Article 15 December 2023
Did you find what you were looking for? Share feedback.