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Showing 1-20 of 619 results
  1. Application of the Nelder–Mead Method to Optimize the Way for Selection of the Likhachev–Volkov Model Constants

    Abstract

    A new way was proposed to select the constants for the modified Likhachev–Volkov microstructural model to describe the reversible strain...

    A. M. Ivanov, F. S. Belyaev, ... N. N. Resnina in Vestnik St. Petersburg University, Mathematics
    Article 19 December 2022
  2. Practical initialization of the Nelder–Mead method for computationally expensive optimization problems

    Black-box optimization (BBO) algorithms are widely employed by practitioners to address computationally expensive real-world problems such as...

    Shintaro Takenaga, Yoshihiko Ozaki, Masaki Onishi in Optimization Letters
    Article Open access 07 December 2022
  3. Improvement of the Nelder-Mead method using Direct Inversion in Iterative Subspace

    The Nelder-Mead (NM) method is a popular derivative-free optimization algorithm owing to its fast convergence and robustness. However, it is known...

    Haru Kitaoka, Ken-ichi Amano, ... Tetsuo Sakka in Optimization and Engineering
    Article 24 March 2021
  4. Optimal Parameter Estimation Techniques for Complex Nonlinear Systems

    Accurate parameter estimation and state identification within nonlinear systems are fundamental challenges addressed by optimization techniques. This...

    Kaushal Kumar, Ekaterina Kostina in Differential Equations and Dynamical Systems
    Article Open access 03 April 2024
  5. Detecting self-organising patterns in crowd motion: effect of optimisation algorithms

    The escalating process of urbanization has raised concerns about incidents arising from overcrowding, necessitating a deep understanding of large...

    Samson Worku, Pratik Mullick in Journal of Mathematics in Industry
    Article Open access 30 April 2024
  6. A New Regularly Varying Discrete Distribution Generated by Waring-Type Probability

    Abstract

    In this paper, based on the discretization method, we construct a new 2-parameter regularly varying discrete distribution generated by...

    Article 25 April 2024
  7. Inverse Problem of Pure Bending of a Beam under Creep Conditions

    Abstract

    We propose an algorithm for solving the inverse problem of forming structural members under creep conditions using the Nelder–Mead...

    S. V. Boyko, A. Yu. Larichkin in Journal of Applied and Industrial Mathematics
    Article 01 June 2023
  8. Determination of a Preliminary Orbit by the Cauchy–Kuryshev–Perov Geometric Method

    Abstract

    The determination of preliminary orbits of celestial bodies is of interest to observational astronomy in terms of discovering new bodies or...

    Article 01 October 2021
  9. A Gradient-Free Method for Multi-objective Optimization Problem

    In this chapter, a gradient-free method is proposed for solving the multi-objective optimization problem in higher dimension. The concept is...
    Nantu Kumar Bisui, Samit Mazumder, Geetanjali Panda in Optimization, Variational Analysis and Applications
    Conference paper 2021
  10. A Nonconvex Nonsmooth Image Prior Based on the Hyperbolic Tangent Function

    In this paper, we propose a nonconvex and nonsmooth image prior based on the hyperbolic tangent function and apply it as a regularization term for...

    Fang Li, **ao-Guang Lv in Journal of Scientific Computing
    Article 20 October 2023
  11. Direct Methods for Constrained Optimization

    As we have already seen in Chap. 9 , the direct methods for unconstrained optimization do not use...
    Chapter 2022
  12. Discovery and Interactive Representation of the Dimensionless Parameter-Space of the Spring-Loaded Inverted Pendulum Model of Legged Locomotion Using Surface Interpolation

    The spring-loaded inverted pendulum is a widely used model of legged locomotion. However, a complete map of the dimensionless parameter regions that...
    Ábel Mihály Nagy, Dóra Patkó, Ambrus Zelei in Perspectives in Dynamical Systems II — Numerical and Analytical Approaches
    Conference paper 2024
  13. Numerical Solution of Two-Point Static Problems for Distributed Extended Systems by Means of the Nelder–Mead Method

    The authors describe a numerical algorithm for reducing two-point static problems of distributed extended systems in the field of body and surface...

    Iu. Kaliukh, O. Trofymchuk, O. Lebid in Cybernetics and Systems Analysis
    Article 01 July 2019
  14. A Randomised Non-descent Method for Global Optimisation

    This paper proposes novel algorithm for non-convex multimodal constrained optimisation problems. It is based on sequential solving restrictions of...
    Dmitry A. Pasechnyuk, Alexander Gornov in Advances in Optimization and Applications
    Conference paper 2024
  15. Modeling and simulation studies for some truncated discrete distributions generated by stable densities

    Some discrete distributions generated by stable densities (DGSDs) could be considered as models for describing phenomena arising in bioinformatics....

    Davood Farbod in Mathematical Sciences
    Article 08 April 2021
  16. Proper initialization is crucial for the Nelder–Mead simplex search

    The Nelder–Mead simplex search as one of the oldest direct search methods is still in use today. Despite its flaws, such as possible convergence to...

    Simon Wessing in Optimization Letters
    Article 25 June 2018
  17. Numerical Methods of Optimization

    The numerical methods of optimization start with optimizing functions of one variable, bisection, Fibonacci, and Newton. Then, functions of several...
    Jean-Pierre Corriou in Numerical Methods and Optimization
    Chapter 2021
  18. Numerical Solution of the Inverse Problem for Diffusion-Logistic Model Arising in Online Social Networks

    The information propagation in online social networks is characterized by a nonlinear partial differential equation with the Neumann boundary...
    Olga Krivorotko, Tatiana Zvonareva, Nikolay Zyatkov in Mathematical Optimization Theory and Operations Research: Recent Trends
    Conference paper 2021
  19. The Nelder–Mead simplex algorithm with perturbed centroid for high-dimensional function optimization

    It is a well known fact that the widely used Nelder–Mead (NM) optimization method soon becomes inefficient as the dimension of the problem grows. It...

    Iztok Fajfar, Árpád Bűrmen, Janez Puhan in Optimization Letters
    Article 28 July 2018
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