نتایج جستجو برای: heuristics for combinatorial optimization problems

تعداد نتایج: 10559762  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

2003
Michael Affenzeller Rene Mayrhofer

This paper discusses the use of several heuristic techniques for problems of combinatorial optimization. We especially consider the advantages and disadvantages of naturally inspired generic techniques like Simulated Annealing, Evolution Strategies, or Genetic Algorithms. This reflection gives a quite intuitive motivation for hybrid approaches that aim to combine advantageous aspects of the cer...

Journal: :International Journal of Advanced Computer Science and Applications 2023

Designing effective algorithms to solve cross-domain combinatorial optimization problems is an important goal for which manifold search methods have been extensively investigated. However, finding optimal combination of perturbation operations solving hard because the different characteristics each problem and discrepancies in strengths operations. The algorithm that works effectively one domai...

2005
CHRISTOPH BREITSCHOPF

Meta-heuristics are an effective paradigm for solving large-scale combinatorial optimization problems. However, the development of such algorithms is often very time-consuming as they have to be designed for a concrete problem class with little or no opportunity for reuse. In this paper, we present a generic software framework that is able to handle different types of combinatorial optimization...

Journal: :European Journal of Operational Research 2003
Alain Hertz Marino Widmer

The 18th EURO Summer/Winter Institute (ESWI XVIII) took place during the spring 2000 in Switzerland. The topic of ESWI XVIII, ‘‘Meta-heuristics in Combinatorial Optimization’’, was selected due to its great current scientific interest: indeed, in recent years, several meta-heuristics have proved to be highly efficient for the solution of difficult combinatorial optimization problems. The Instit...

2005
Frank Neumann

Randomized search heuristics have widely been applied to complex engineering problems as well as to problems from combinatorial optimization. We investigate the runtime behavior of randomized search heuristics and present runtime bounds for these heuristics on some well-known combinatorial optimization problems. Such analyses can help to understand better the working principle of these algorith...

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