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With neural networks having demonstrated their versatility and benefits, the need for their optimal performance is as prevalent as ever. A defining characteristic, hyperparameters, can greatly affect its performance. Thus engineers go…

神经与进化计算 · 计算机科学 2020-09-21 Keshav Ganapathy

Genetic algorithms constitute a family of black-box optimization algorithms, which take inspiration from the principles of biological evolution. While they provide a general-purpose tool for optimization, their particular instantiations can…

神经与进化计算 · 计算机科学 2023-04-11 Robert Tjarko Lange , Tom Schaul , Yutian Chen , Chris Lu , Tom Zahavy , Valentin Dalibard , Sebastian Flennerhag

Despite the intuition that the same population size is not needed throughout the run of an Evolutionary Algorithm (EA), most EAs use a fixed population size. This paper presents an empirical study on the possible benefits of a Simple…

神经与进化计算 · 计算机科学 2024-01-23 Juan Luis Jiménez Laredo , Carlos Fernandes , Juan Julián Merelo , Christian Gagné

Genetic algorithm (GA) is a stochastic metaheuristic process consisting on the evolution of a population of candidate solutions for a given optimization problem. By extension, multipopulation genetic algorithm (MPGA) aims for efficiency by…

神经与进化计算 · 计算机科学 2018-06-07 Bruno Messias , Bruno W. D. Morais

Genetic algorithms are highly effective optimization techniques for many computationally challenging problems, including combinatorial optimization tasks like portfolio optimization. Quantum computing has also shown potential in addressing…

新兴技术 · 计算机科学 2025-04-28 Mohammad Kashfi Haghighi , Matthieu Fortin-Deschênes , Christophe Pere , Mickaël Camus

Community detection in complex networks is a topic of considerable recent interest within the scientific community. For dealing with the problem that genetic algorithm are hardly applied to community detection, we propose a genetic…

社会与信息网络 · 计算机科学 2013-03-25 Dongxiao He , Zhe Wang , Bin Yang , Chunguang Zhou

This paper presented a genetic algorithm (GA) to solve the container storage problem in the port. This problem is studied with different container types such as regular, open side, open top, tank, empty and refrigerated containers. The…

神经与进化计算 · 计算机科学 2013-03-06 I. Ayachi , R. Kammarti , M. Ksouri , P. Borne , : , LAGIS , Ecole Centrale de Lille , : , LACS , Ecole Nationale des Ingenieurs de Tunis

We propose a gate-based Quantum Genetic Algorithm (QGA) for real-valued global optimization. In this model, individuals are represented by quantum circuits whose measurement outcomes are decoded into real-valued vectors through binary…

量子物理 · 物理学 2025-11-10 Leandro C. Souza , Laurent E. Dardenne , Renato Portugal

Genetic Algorithm (GA) is a popular meta-heuristic evolutionary algorithm that uses stochastic operators to find optimal solution and has proved its effectiveness in solving many complex optimization problems (such as classification,…

神经与进化计算 · 计算机科学 2023-05-02 Fahad Maqbool , Muhammad Saad Razzaq , Hajira Jabeen

We propose a genetic algorithm (GA) for hyperparameter optimization of artificial neural networks which includes chromosomal crossover as well as a decoupling of parameters (i.e., weights and biases) from hyperparameters (e.g., learning…

神经与进化计算 · 计算机科学 2019-01-15 Aaron Vose , Jacob Balma , Alex Heye , Alessandro Rigazzi , Charles Siegel , Diana Moise , Benjamin Robbins , Rangan Sukumar

Deep neural network learning can be formulated as a non-convex optimization problem. Existing optimization algorithms, e.g., Adam, can learn the models fast, but may get stuck in local optima easily. In this paper, we introduce a novel…

机器学习 · 计算机科学 2019-03-12 Jiawei Zhang , Fisher B. Gouza

Niching enables a genetic algorithm (GA) to maintain diversity in a population. It is particularly useful when the problem has multiple optima where the aim is to find all or as many as possible of these optima. When the fitness landscape…

神经与进化计算 · 计算机科学 2007-05-23 K. Sastry , H. A. Abbass , D. E. Goldberg

Computationally efficient and automated generation of convex hulls is desirable for high throughput materials discovery of thermodynamically stable multi-species crystal structures. A convex hull genetic algorithm is proposed that uses…

材料科学 · 物理学 2024-04-23 Scott Donaldson , Robert A. Lawrence , Matt I. J. Probert

This paper presents a fast method for global search of atomic structures at ab initio level. The structures global optimization (SGO) engine consists of a high-efficiency differential evolution algorithm, accelerated local relaxation…

材料科学 · 物理学 2017-09-13 Zhanghui Chen , Weile Jia , Lin-Wang Wang

The increasing complexity of fog computing environments calls for efficient resource optimization techniques. In this paper, we propose and evaluate three distributed designs of a genetic algorithm (GA) for resource optimization in fog…

神经与进化计算 · 计算机科学 2024-06-17 Carlos Guerrero , Isaac Lera , Carlos Juiz

Functions of chemical composition are complex and discrete in nature making it impossible to optimize them with gradient methods. Genetic algorithms, which do not use derivative information, are used to maximize the thermal conductivity of…

材料科学 · 物理学 2018-01-30 Alexander Kerr , Kieran Mullen

This paper presents a spanning tree-based genetic algorithm (GA) for the reconfiguration of electrical distribution systems with the objective of minimizing active power losses. Due to low voltage levels at distribution systems, power…

系统与控制 · 电气工程与系统科学 2020-08-19 Mukesh Gautam , Narayan Bhusal , Mohammed Benidris , Sushil J. Louis

In general, we can not use algebraic or enumerative methods to optimize a quality control (QC) procedure so as to detect the critical random and systematic analytical errors with stated probabilities, while the probability for false…

神经与进化计算 · 计算机科学 2018-12-03 Aristides T. Hatjimihail , Theophanes T. Hatjimihail

Stability and protection of the electrical power systems are always of primary concern. Stability can be affected mostly by increase in the load demand. Power grids are overloaded in peak hours so more power generation units are required to…

神经与进化计算 · 计算机科学 2021-11-30 Farhat Iqbal , Shafiq ur Rehman , Khawar Iqbal

We compare Evolutionary Algorithms with Minima Hopping for global optimization in the field of cluster structure prediction. We introduce a new {\em average offspring} recombination operator and compare it with previously used operators.…

其他凝聚态物理 · 物理学 2009-11-13 Sandro E. Schoenborn , Stefan Goedecker , Shantanu Roy , Artem R. Oganov