A Heuristic Algorithm for Solving the Discrete Network Design Problem PDF Download
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Author: Chia-Juch Chang
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 12
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Book Description
Author: Chia-Juch Chang
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 12
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Book Description
Author: Petrica C. Pop
Publisher: Walter de Gruyter
ISBN: 3110267683
Category : Mathematics
Languages : en
Pages : 216
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Book Description
Combinatorial optimization is a fascinating topic. Combinatorial optimization problems arise in a wide variety of important fields such as transportation, telecommunications, computer networking, location, planning, distribution problems, etc. Important and significant results have been obtained on the theory, algorithms and applications over the last few decades. In combinatorial optimization, many network design problems can be generalized in a natural way by considering a related problem on a clustered graph, where the original problem's feasibility constraints are expressed in terms of the clusters, i.e., node sets instead of individual nodes. This class of problems is usually referred to as generalized network design problems (GNDPs) or generalized combinatorial optimization problems. The express purpose of this monograph is to describe a series of mathematical models, methods, propositions, algorithms developed in the last years on generalized network design problems in a unified manner. The book consists of seven chapters, where in addition to an introductory chapter, the following generalized network design problems are formulated and examined: the generalized minimum spanning tree problem, the generalized traveling salesman problem, the railway traveling salesman problem, the generalized vehicle routing problem, the generalized fixed-charge network design problem and the generalized minimum vertex-biconnected network problem. The book will be useful for researchers, practitioners, and graduate students in operations research, optimization, applied mathematics and computer science. Due to the substantial practical importance of some presented problems, researchers in other areas will find this book useful, too.
Author: Larry J. LeBlanc
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
Author: Ding-zhu Du
Publisher: World Scientific
ISBN: 9814504580
Category :
Languages : en
Pages : 417
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Book Description
In the past few decades, there has been a large amount of work on algorithms for linear network flow problems, special classes of network problems such as assignment problems (linear and quadratic), Steiner tree problem, topology network design and nonconvex cost network flow problems.Network optimization problems find numerous applications in transportation, in communication network design, in production and inventory planning, in facilities location and allocation, and in VLSI design.The purpose of this book is to cover a spectrum of recent developments in network optimization problems, from linear networks to general nonconvex network flow problems./a
Author: John H. E. Taplin
Publisher: Edward Elgar Publishing
ISBN: 9781781959015
Category : Computers
Languages : en
Pages : 244
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Book Description
"Demonstrating the application of evolutionary computing techniques to an exceptionally complex problem in the real business world, Cost-Benefit Analysis and Evolutionary Computing will be of great value to academics and those practitioners and researchers interested in addressing the classic issue of evaluating road expansion and maintenance programs."--BOOK JACKET.
Author:
Publisher:
ISBN:
Category :
Languages : pt-BR
Pages :
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Book Description
Problemas de multifluxos surgem como modelos básicos no contexto de várias aplicações de fluxos em redes, tais como redes de telecomunicações, redes de transporte e logística. Em tais aplicações, os fluxos que atravessam a rede compartilham simultaneamente os mesmos recursos disponíveis e são definidos por suas próprias restrições. A cada uma das arestas ligando os pontos da rede está associado um custo, fixo ou proporcional à sua utilização. Este trabalho trata problemas de projeto de redes multifluxos, em que os custos estão associados às capacidades instaladas nas arestas. Particularmente, será estudado o caso em que a função de custo nas arestas possui o comportamento de uma função escada crescente e descontínua, para o qual métodos exatos de resolução são ineficientes. Métodos heurísticos são propostos para a resolução aproximada do problema e sintetizados em um algoritmo de multi-partida com memória adaptativa. Um mecanismo de intensificação, conhecido na literatura como construção de vocabulário, é também explorado e aplicado. Finalmente, experimentos computacionais são realizados e o método de resolução proposto é analisado quanto aos seus resultados e os resultados obtidos pelo método de resolução proposto são analisados. O método obtém as melhores soluções conhecidas para algumas instâncias da literatura.
Author: R.v. Randow
Publisher: Springer Science & Business Media
ISBN: 3642465382
Category : Business & Economics
Languages : en
Pages : 402
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Book Description
Author: David P. Williamson
Publisher: Cambridge University Press
ISBN: 1139498177
Category : Computers
Languages : en
Pages : 517
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Book Description
Discrete optimization problems are everywhere, from traditional operations research planning (scheduling, facility location and network design); to computer science databases; to advertising issues in viral marketing. Yet most such problems are NP-hard; unless P = NP, there are no efficient algorithms to find optimal solutions. This book shows how to design approximation algorithms: efficient algorithms that find provably near-optimal solutions. The book is organized around central algorithmic techniques for designing approximation algorithms, including greedy and local search algorithms, dynamic programming, linear and semidefinite programming, and randomization. Each chapter in the first section is devoted to a single algorithmic technique applied to several different problems, with more sophisticated treatment in the second section. The book also covers methods for proving that optimization problems are hard to approximate. Designed as a textbook for graduate-level algorithm courses, it will also serve as a reference for researchers interested in the heuristic solution of discrete optimization problems.
Author: Runtong Zhang
Publisher: Springer
ISBN: 3642406602
Category : Business & Economics
Languages : en
Pages : 1347
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Book Description
Information and communication technology has helped to provide a more effective network infrastructure and development platform for logistics and service operations. In order to meet the needs of consumers and particularly to promote low-carbon development processes, new types of services will also emerge. LISS 2013 is a prime international forum for both researchers and industry practitioners to exchange the latest fundamental advances in the state of the art and practice of logistics, informatics, service operations and service science. Experts and researchers from related fields will discuss current issues and future development opportunities discuss and analyze developing trends and exchange the latest research and academic thought. The theme of the conference is Logistics and Service Science based on the Internet of Things.
Author: Mark S. Daskin
Publisher: John Wiley & Sons
ISBN: 0470905360
Category : Business & Economics
Languages : en
Pages : 544
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Book Description
Praise for the First Edition This book is refreshing to read since it takes an important topic... and presents it in a clear and concise manner by using examples that include visual presentations of the problem, solution methods, and results along with an explanation of the mathematical and procedural steps required to model the problem and work through to a solution.” —Journal of Classification Thoroughly updated and revised, Network and Discrete Location: Models, Algorithms, and Applications, Second Edition remains the go-to guide on facility location modeling. The book offers a unique introduction to methodological tools for solving location models and provides insight into when each approach is useful and what information can be obtained. The Second Edition focuses on real-world extensions of the basic models used in locating facilities, including production and distribution systems, location-inventory models, and defender-interdictor problems. A unique taxonomy of location problems and models is also presented. Featuring examples using the author’s own software—SITATION, MOD-DIST, and MENU-OKF—as well as Microsoft Office® Excel®, the book provides: • A theoretical and applied perspective on location models and algorithms • An intuitive presentation of the uses and limits of modeling techniques • An introduction to integrated location-inventory modeling and defender-interdictor models for the design of reliable facility location systems • A full range of exercises to equip readers with an understanding of the basic facility location model types Network and Discrete Location: Models, Algorithms, and Applications, Second Edition is an essential resource for practitioners in applied and discrete mathematics, operations research, industrial engineering, and quantitative geography. The book is also a useful textbook for upper-level undergraduate, graduate, and MBA courses.
