نتایج جستجو برای: evolutionary search

تعداد نتایج: 408401  

Journal: :Swarm and evolutionary computation 2022

Evolutionary algorithms (EAs) have been successfully applied to optimize the policies for Reinforcement Learning (RL) tasks due their exploration ability. The recently proposed Negatively Correlated Search (NCS) provides a distinct parallel search behavior and is expected facilitate RL more effectively. Considering that commonly adopted neural usually involves millions of parameters be optimize...

Amin Rastegar Pour, Hassan Barati,

Abstract: One of the equipment that can help improve distribution system status today and reduce the cost of fault time is remote control switches (RCS). Finding the optimal location and number of these switches in the distribution system can be modeled with various objective functions as a nonlinear optimization problem to improve system reliability and cost. In this article, a particle swarm ...

Journal: :مجله دانشکده پرستاری و مامایی ارومیه 0
فروغ رفیعی f rafiee محبوبه سجادی هزاوه m sajadihezaveh

concept analysis of transition from nursing student to clinical nurse: rodgers' evolutionary concept analysis     rafieef [1] , sajadihezaveh m [2] *     received: 21 feb, 2012 accepted: 27apr, 2012     abstract   background &aims; : the transition from nursing student to clinical nursing is a major challenge.the aim of this study was to clarify concept of transition in new graduate nursin...

There are various automatic programming models inspired by evolutionary computation techniques. Due to the importance of devising an automatic mechanism to explore the complicated search space of mathematical problems where numerical methods fails, evolutionary computations are widely studied and applied to solve real world problems. One of the famous algorithm in optimization problem is shuffl...

2003
Clare Bates Congdon Kevin J. Septor

Gaphyl is an application of evolutionary algorithms (EA’s) to phylogenetics, an approach used by biologists to investigate evolutionary relationships among organisms. For datasets larger than 20-30 species, exhaustive search is not practical in this domain. Gaphyl uses an evolutionary search mechanism to search the space of possible phylogenetic trees, in an attempt to find the most plausible e...

For many years, cryptanalysis has been considered as an attractive topic in jeopardizing the security and resistance of an encryption algorithm. The SDES encryption algorithm is a symmetric cryptography algorithm that performs a cryptographic operation using a crypt key. In the world of encryption, there are many search algorithms to cryptanalysis. In these researches, brute force attack algori...

2008
Changhe Li Shengxiang Yang

Evolutionary computation has become an important problem solving methodology among the set of search and optimization techniques. Recently, more and more different evolutionary techniques have been developed, especially hybrid evolutionary algorithms. This paper proposes an island based hybrid evolutionary algorithm (IHEA) for optimization, which is based on Particle swarm optimization (PSO), F...

2017
R. Salas Machado J. Castellanos R. Lahoz-Beltra

This paper introduces a discussion about evolutionary search methods based on Hamming oracle. In many optimization problems, the design of the fitness function includes the Hamming distance being referred this kind of functions as Hamming oracle. In this paper we adopt a critical look and ask ourselves to what extent genetic algorithms and other related evolutionary methods truly mimic evolutio...

Journal: :IEEE Trans. Evolutionary Computation 2000
Kim W. C. Ku Man-Wai Mak Wan-Chi Siu

Many frustrating experiences have been encountered when the training of neural networks by local search methods becomes stagnant at local optima. This calls for the development of more satisfactory search methods such as evolutionary search. However, training by evolutionary search can require a long computation time. In certain situations, using Lamarckian evolution, local search and evolution...

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