نتایج جستجو برای: optimization firefly algorithm fractional programming

تعداد نتایج: 1250780  

2016
Michal Pluhacek Roman Senkerik Jakub Janostik Adam Viktorin Ivan Zelinka

In this study it is presented a summarization of our research of possible ways of creating of complex networks from the inner dynamics of Swarm Intelligence based algorithms. The particle swarm optimization algorithm and the firefly algorithm are studied in this paper. Several methods of complex network creation are proposed and discussed alongside with possibilities for future research and app...

Multi objective quadratic fractional programming (MOQFP) problem involves optimization of several objective functions in the form of a ratio of numerator and denominator functions which involve both contains linear and quadratic forms with the assumption that the set of feasible solutions is a convex polyhedral with a nite number of extreme points and the denominator part of each of the objecti...

Journal: :international journal of industrial engineering and productional research- 0
yahia zare mehrjerdi department of industrial engineering, yazd university yazd iran

abstract it is the purpose of this article to introduce a linear approximation technique for solving a fractional chance constrained programming (cc) problem. for this purpose, a fuzzy goal programming model of the equivalent deterministic form of the fractional chance constrained programming is provided and then the process of defuzzification and linearization of the problem is started. a samp...

Journal: :international journal of industrial engineering and productional research- 0
masoud yaghini iran university of science and technology mohsen momeni iran university of science and technology mohammadreza momeni sarmadi iran university of science and technology

the set covering problem (scp) is a well-known combinatorial optimization problem. this paper investigates development of a local branching approach for the scp. this solution strategy is exact in nature, though it is designed to improve the heuristic behavior of the mixed integer programming solver. the algorithm parameters are tuned by design of experiments approach. the proposed method is te...

2010
Alireza M. Ashtiani Paulo A. V. Ferreira

This paper addresses the problem of minimizing a sum of fractional functions over a convex set, where each fractional function is described by the ratio between a convex and a concave function. Linear-fractional programming problems fall into this category as important special cases. Two global optimization algorithms based on a suitable reformulation of the problem in the outcome space are pro...

ارتباطی, شریف, بابلی بهمئی, آرمان, روح افزا, جمال, شیرالی, مهدی, مدملی, یعقوب, کریمی, حمید,

Background: Today many people are likely to have diabetes. Diabetes is a serious disease of modern societies and its on-time diagnosis have important role in the treatment of disease. Methods: In this paper, using Sugeno fuzzy inference systems and intelligent algorithms Firefly, a new method is presented for the detection of diabetes. The proposed method enables the use of a few simple fuzzy r...

2016
Rogério B. Francisco M. Fernanda P. Costa Ana Maria A. C. Rocha

Firefly Algorithm (FA) is a stochastic population-based algorithm based on the flashing patterns and behavior of fireflies. Original FA was created and successfully applied to solve bound constrained optimization problems. In this paper we present extensions of FA for solving nonsmooth nonconvex constrained global optimization problems. To handle the constraints of the problem, feasibility and ...

2017
Ting Cao Julian Scott Yeomans

An evolutionary nature-inspired Firefly Algorithm (FA) is employed to set the optimal osmotic dehydration parameters in a case study of papaya. In the case, the functional form of the dehydration model is established via a response surface technique with the resulting optimization formulation being a non-linear goal programming model. For optimization, a computationally efficient, FA-driven met...

Journal: :International Journal of Soft Computing, Mathematics and Control 2015

Journal: :مهندسی بیوسیستم ایران 0
ایشام الزعبی دانشجوی دکتری گروه مهندسی مکانیک ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران علی رجبی پور استاد گروه مهندسی مکانیک ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران حجت احمدی دانشیار گروه مهندسی مکانیک ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشکاه تهران فرهاد میرزایی استادیار گروه مهندسی آبیاری و آبادانی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

for a uniform distribution of water, decrease in water waste and decrease in erosion of soil, it is important that a land be prepared with proper slopes along its length as well as width. the aim of leveling is to create appropriate slopes for irrigation and drainage on the lands that were not already properly levelled and of the same time creating the level surface with a minimum transport of ...

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