Results 71 to 80 of about 1,437,470 (165)

A novel hybrid discrete differential evolution algorithm for workingsteps sequencing in multi-channel turn-milling complex machining

open access: yesAdvances in Mechanical Engineering, 2015
To address the problem of workingsteps sequencing in multi-channel turn-milling complex machining, a novel hybrid optimization algorithm titled hybrid discrete differential evolution has been proposed, which improves the algorithm to achieve better ...
Xusheng Shi, Lihong Qiao, Zuowei Zhu
doaj   +1 more source

A Novel Differential Evolution Invasive Weed Optimization Algorithm for Solving Nonlinear Equations Systems

open access: yesJournal of Applied Mathematics, 2013
In view of the traditional numerical method to solve the nonlinear equations exist is sensitive to initial value and the higher accuracy of defects. This paper presents an invasive weed optimization (IWO) algorithm which has population diversity with the
Yongquan Zhou, Qifang Luo, Huan Chen
doaj   +1 more source

Differential Evolution for Multiobjective Portfolio Optimization [PDF]

open access: yes
Financial portfolio optimization is a challenging problem. First, the problem is multiobjective (i.e.: minimize risk and maximize profit) and the objective functions are often multimodal and non smooth (e.g.: value at risk).
Sandra Paterlini, Thiemo Krink
core  

改进差异演化算法在机械优化设计中的应用

open access: yesJixie chuandong, 2006
Differential evolution algorithm is applied to optimization problem of mechanical design and the basal theory and steps are analysed. At the same time, double best mutation operation and chaos migration operation are proposed to improve differential ...
李高扬, 吴育华, 刘明广
doaj  

Robot manipulator identification based on adaptive multiple-input and multiple-output neural model optimized by advanced differential evolution algorithm

open access: yesInternational Journal of Advanced Robotic Systems, 2016
This article proposes a novel advanced differential evolution method which combines the differential evolution with the modified back-propagation algorithm.
Nguyen Ngoc Son   +2 more
doaj   +1 more source

Adaptation of the Scaling Factor Based on the Success Rate in Differential Evolution

open access: yesMathematics
Differential evolution is a popular heuristic black-box numerical optimization algorithm which is often used due to its simplicity and efficiency. Parameter adaptation is one of the main directions of study regarding the differential evolution algorithm.
Vladimir Stanovov, Eugene Semenkin
doaj   +1 more source

An Evolutionary Stacked Ensemble for Improving Accuracy and Computational Efficiency in Daily Photovoltaic Energy Prediction

open access: yesIEEE Access
This study presents a computationally efficient stacked ensemble model for daily photovoltaic energy prediction. The ensemble combines five base regressors: extreme gradient boosting, decision trees, random forests, neural networks, and k-nearest ...
Bilal Rinchi   +4 more
doaj   +1 more source

Automatic reservoir history matching method based on adaptive mutation strategy and differential evolution algorithm

open access: yesYouqi dizhi yu caishoulu
As a classical evolution algorithm, the differential evolution algorithm has the advantages of global search ability, easy implementation, and no gradient. It has been widely used in automatic reservoir history matching.
ZHANG Jinding   +4 more
doaj   +1 more source

Singular fractional evolution differential equations

open access: yesOpen Physics, 2013
Stojanovic Mirjana
doaj   +1 more source

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