نتایج جستجو برای: optimization problems

تعداد نتایج: 844192  

2002
Seksan Kiatsupaibul Robert L. Smith

We show how to transform an infinite horizon optimization problem into a one-dimensional global optimization problem over a closed and bounded feasible region whose objective function is Hölder continuous with known parameters. The deep connection elicited between the two areas of study introduces several opportunities for cross-fertilization which we exploit within this paper.

Many real-world search and optimization problems involve inequality and/or equality constraints and are thus posed as constrained optimization problems. In trying to solve constrained optimization problems using classical optimization methods, this paper presents a Multi-Objective Bees Algorithm (MOBA) for solving the multi-objective optimal of mechanical engineering problems design. In the pre...

So far, various optimization methods have been proposed, and swarm intelligence algorithms have gathered a lot of attention by academia. However, most of the recent optimization problems in the real world have a dynamic nature. Thus, an optimization algorithm is required to solve the problems in dynamic environments well. In this paper, a novel collective optimization algorithm, namely the Clus...

Journal: :journal of advances in computer research 2013
narges mahmoodi darani vahid ahmadi zahra saadati eskandari majid yousefikhoshbakht

the capacitated clustering problem (ccp) is one of the most importantcombinational optimization problems that nowadays has many real applications inindustrial and service problems. in the ccp, a given n nodes with known demandsmust be partitioned into k distinct clusters in which each cluster is detailed by anode acting as a cluster center of this cluster. the objective is to minimize the sumof...

Journal: :International Journal of Applied Mathematics, Electronics and Computers 2017

F. Tadbiri, M. Nouri, S. Talatahari,

Over the past few years, swarm intelligence based optimization techniques such as ant colony optimization and particle swarm optimization have received considerable attention from engineering researchers. These algorithms have been used in the solution of various structural optimization problems where the main goal is to minimize the weight of structures while satisfying all design requirements...

H. A. Rahimi Bondarabadi, M. J. Esfandiary, S. Sheikholarefin,

Structural  design  optimization  usually  deals  with  multiple  conflicting  objectives  to  obtain the minimum construction cost, minimum weight, and maximum safety of the final design. Therefore, finding the optimum design is hard and time-consuming for  such problems.  In this paper, we borrow the basic concept of multi-criterion decision-making and combine it with  Particle  Swarm  Optimi...

Journal: :مدیریت صنعتی 0
محمدحسین پورکاظمی دانشیار گروه اقتصاد، دانشکده اقتصاد و علوم سیاسی دانشگاه شهیدبهشتی، ایران مصطفی فتاحی دانشجوی دکترای مدیریت تحقیق در عملیات، دانشکده مدیریت دانشگاه تهران، ایران ساسان مظاهری دانشجوی کارشناسی ارشد مدیریت صنعتی، دانشکده مدیریت و حسابداری دانشگاه شهیدبهشتی، ایران بهرنگ اسدی دانشجوی کارشناسی ارشد mba، ، دانشکده مدیریت و اقتصاد دانشگاه صنعتی شریف، ایران

due to project evaluation complexity and resource constraints, the project portfolio optimization is numerous decision making challenges. hence, many researches have been done to introduce model and methods for portfolio optimization. but most of them have not considered the interaction between projects. considering the interactions between projects increase complexity of portfolio optimization...

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