Complementary remarks and improvements to a lagrangean heuristic for capacitated plant location problems

In a former paper, [1], a heuristic using multipliers from a langrean relaxation was proposed for getting feasible solutions to a class of pure integer capacited plant location problems. The heuristic consisted of three steps, the last one being a plant interchange step. Further computational experi...

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Detalhes bibliográficos
Autores: Barceló Bugeda, Jaime|||0000-0001-6195-6434, Casanovas Garcia, Josep|||0000-0002-7026-0962
Tipo de documento: relatório científico
Data de publicação:1985
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositório:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglês
OAI Identifier:oai:upcommons.upc.edu:2117/110692
Acesso em linha:https://hdl.handle.net/2117/110692
Access Level:Acceso aberto
Palavra-chave:Operational research
Àrees temàtiques de la UPC::Matemàtiques i estadística::Investigació operativa
Investigació operativa
Descrição
Resumo:In a former paper, [1], a heuristic using multipliers from a langrean relaxation was proposed for getting feasible solutions to a class of pure integer capacited plant location problems. The heuristic consisted of three steps, the last one being a plant interchange step. Further computational experience has shown that the proposed interchange procedure could fail. In this paper we investigate the computational behaviour of the heuristic without interchange procedure, and we give the result of our computational experience.