نتایج جستجو برای: differential evolution method

تعداد نتایج: 2170267  

2013
Michal Holis Lenka Skanderova Martin Placek Jiri Dvorský Ivan Zelinka

This paper proposes method for solving steel alloying problem using evolution algorithms SOMA and differential evolution. Both algorithms belong to the family of the evolution algorithms but the main ideas of these algorithms are different. In differential evolution new offspring is created during the evolution, the individuals are crossed and mutated, while in SOMA the individuals move in the ...

2003
Todor Ganchev Dimitris K. Tasoulis Michael N. Vrahatis Nikos Fakotakis

This paper introduces Locally Recurrent Probabilistic Neural Networks (LRPNN) as an extension of the well-known Probabilistic Neural Networks (PNN). A LRPNN, in contrast to a PNN, is sensitive to the context in which events occur, and therefore, identification of time or spatial correlations is attainable. Besides the definition of the LRPNN architecture a fast three-step training method is pro...

2011
Jianwen Li Xihuan Sun Juanjuan Ma Xianghong Guo Jingling Li

With the aim of estimating infiltration properties of surface irrigation and further saving water efficiently, a zero-inertia model was adopted for simulating the surface flow of border irrigation. The parameters identification of the model has been derived from hybrid volume balance model coupling artificial neural networks and numerical inversion approaches including differential evolution. W...

2014
Muhammad Younis

In this article, the (G ′ /G)-expansion method has been implemented to find the travelling wave solutions of nonlinear evolution equations of fractional order. For this, the fractional complex transformation method has been used to convert fractional order partial differential equation to ordinary differential equation. Then, (G ′ /G)-expansion method has been implemented to celebrate the serie...

2006
Michael O'Neill Anthony Brabazon

This proof of concept study examines the possibility of specifying the construction of programs using Differential Evolution, and represents a new form of grammar-based genetic programming, Grammatical Differential Evolution (GDE). In GDE each individual member of the population represents a specific choice of program construction rules, where these rules are specified using a Backus-Naur Form ...

2007
Leandro dos Santos Coelho Nadia Nedjah Luiza de Macedo Mourelle

1 Differential Evolution Approach Using Chaotic Sequences Applied to Planning of Mobile Robot in a Static Environment with Obstacles Leandro dos Santos Coelho, Nadia Nedjah, Luiza de Macedo Mourelle . . . 3 1.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده علوم 1391

تحقیقات اخیر روی روشهای عددی‏، بر ایده استفاده از روشهای بدون شبکه‎{meshfree methods}‎ برای حل عددی معادلات دیفرانسیل با مشتقات جزئی تاکید‏ می کند. یکی از ویژگی های رایج همه روشهای بدون شبکه، توانایی آنها در ساخت تقریب تابع، تنها با استفاده از اطلاعاتی در یک مجموعه از داده های پراکنده می باشد. تعدادی از روشهای بدون شبکه عبارتند از: روش هیدرودینامیکهای ذره ی هموار‎{smooth particle hydrodynamics ...

Journal: :The American Mathematical Monthly 2006
Harold P. Boas

1. INTRODUCTION. Written in block capitals on lined paper, the letter bore a postmark from a Northeastern seaport. " I have a problem that I would like to solve, " the letter began, " but unfortunately I cannot. I dropped out from 2nd year high school, and this problem is too tough for me. " There followed the diagram shown in Figure 1 along with the statement of the problem: to prove that the ...

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