Navigating Complexity: Advanced Optimization Techniques for Machine Learning

A special issue of Mathematics (ISSN 2227-7390). This special issue belongs to the section "Computational and Applied Mathematics".

Deadline for manuscript submissions: 1 November 2024 | Viewed by 2476

Special Issue Editors


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Guest Editor
Department of Applied Mathematics, Ayandegan Institute of Higher Education, Tonekabon, Iran
Interests: computational modelling; deep learning; soft computing; performance analysis; uncertainty and indeterminacy; operations management
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Guest Editor
Section of Mathematics, International Telematic University Uninettuno, Corso Vittorio Emanuele II, Roma, Italy
Interests: fractional calculus; numerical analysis; deep learning; artificial intelligence; fuzzy mathematics

Special Issue Information

Dear Colleagues, 

The rapid advancements in machine learning have brought forth complex challenges that necessitate equally advanced optimization techniques. As machine learning finds applications in diverse sectors such as healthcare, finance, and autonomous systems, the need for optimized algorithms becomes crucial. Traditional optimization methods often fall short in navigating the high-dimensionality, non-convexity, and real-time requirements of modern machine learning problems. This Special Issue aims to explore the frontier of optimization techniques designed to address these complexities in machine learning applications. It will feature contributions that present innovative algorithms, theoretical insights, and real-world applications to accelerate and refine machine learning models. Potential topics include, but are not limited to: advanced gradient descent variants in machine learning, Smith-objective optimization for hyperparameter tuning, meta-learning for algorithmic optimization, Bayesian optimization in machine learning, optimization under uncertainty and indeterminacy in machine learning, soft computing approaches for machine learning optimization, scalability challenges in machine learning optimization, real-world applications of optimized machine learning algorithms, performance analysis of new optimization techniques in machine learning, and convergence rates and acceleration methods in optimization for machine learning.

Dr. Seyyed Ahmad Edalatpanah
Dr. Mohammad Javad Ebadi
Guest Editors

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Keywords

  • machine learning optimization
  • advanced gradient descent
  • multi-objective optimization
  • Bayesian optimization
  • soft computing
  • scalability in optimization
  • convergence and acceleration techniques

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Published Papers (2 papers)

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Research

16 pages, 5512 KiB  
Article
Research on Autonomous Manoeuvre Decision Making in Within-Visual-Range Aerial Two-Player Zero-Sum Games Based on Deep Reinforcement Learning
by Bo Lu, Le Ru, Shiguang Hu, Wenfei Wang, Hailong Xi and Xiaolin Zhao
Mathematics 2024, 12(14), 2160; https://doi.org/10.3390/math12142160 - 10 Jul 2024
Viewed by 494
Abstract
In recent years, with the accelerated development of technology towards automation and intelligence, autonomous decision-making capabilities in unmanned systems are poised to play a crucial role in contemporary aerial two-player zero-sum games (TZSGs). Deep reinforcement learning (DRL) methods enable agents to make autonomous [...] Read more.
In recent years, with the accelerated development of technology towards automation and intelligence, autonomous decision-making capabilities in unmanned systems are poised to play a crucial role in contemporary aerial two-player zero-sum games (TZSGs). Deep reinforcement learning (DRL) methods enable agents to make autonomous manoeuvring decisions. This paper focuses on current mainstream DRL algorithms based on fundamental tactical manoeuvres, selecting a typical aerial TZSG scenario—within visual range (WVR) combat. We model the key elements influencing the game using a Markov decision process (MDP) and demonstrate the mathematical foundation for implementing DRL. Leveraging high-fidelity simulation software (Warsim v1.0), we design a prototypical close-range aerial combat scenario. Utilizing this environment, we train mainstream DRL algorithms and analyse the training outcomes. The effectiveness of these algorithms in enabling agents to manoeuvre in aerial TZSG autonomously is summarised, providing a foundational basis for further research. Full article
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15 pages, 1325 KiB  
Article
Approximate Solution of PHI-Four and Allen–Cahn Equations Using Non-Polynomial Spline Technique
by Mehboob Ul Haq, Sirajul Haq, Ihteram Ali and Mohammad Javad Ebadi
Mathematics 2024, 12(6), 798; https://doi.org/10.3390/math12060798 - 8 Mar 2024
Cited by 1 | Viewed by 843
Abstract
The aim of this work is to use an efficient and accurate numerical technique based on non-polynomial spline for the solution of the PHI-Four and Allen–Cahn equations. A recent discovery suggests that the PHI-Four equation focuses on its implications for particle physics and [...] Read more.
The aim of this work is to use an efficient and accurate numerical technique based on non-polynomial spline for the solution of the PHI-Four and Allen–Cahn equations. A recent discovery suggests that the PHI-Four equation focuses on its implications for particle physics and the behavior of scalar fields in the quantum realm. In materials science, ongoing research involves using the Allen–Cahn equation to understand and predict the evolution of microstructures in various materials as well as in biophysics. It depicts pattern formation in biological systems and the dynamics of spatial organization in tissues. To obtain an approximate solution of both equations, this technique uses forward differences for the time and cubic non-polynomial spline function for spatial descretization. The stability of the suggested technique is addressed using the von Neumann technique. Convergence test is carried out theoretically to show the order of convergence of the scheme. Some numerical tests are carried out to confirm accuracy and efficiency in terms of absolute error LR. Convergence rates for different test problems are also computed numerically. Numerical results and simulations obtained are compared with the existing methods. Full article
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