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A Lagrangean heuris...
A Lagrangean heuristic for the capacitated concave minimum cost network flow problem
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- Larsson, Torbjörn (författare)
- Department of Mathematics, Institute of Technology, Linköping University
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- Migdalas, Athanasios (författare)
- Department of Mathematics, Institute of Technology, Linköping University
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- Rönnqvist, Mikael (författare)
- Department of Mathematics, Institute of Technology, Linköping University
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(creator_code:org_t)
- Elsevier BV, 1994
- 1994
- Engelska.
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Ingår i: European Journal of Operational Research. - : Elsevier BV. - 0377-2217 .- 1872-6860. ; 78:1, s. 116-129
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We propose a heuristic solution technique for the capacitated concave minimum cost network flow problem based on a Lagrangean dualization of the problem. Despite its dual character the algorithm guarantees the generation of primal feasible solutions which are local optima and therefore candidates of being the global optimum. The Lagrangean dual is solved by a subgradient search procedure and provides a lower bound to the optimal value. The lower bound is, in general, stronger than the one obtained by a linear approximation of the original problem. It can be used as a judgement of the quality of the solution or in a branch and bound procedure. Computational results from randomly generated problems are presented
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Produktionsteknik, arbetsvetenskap och ergonomi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Production Engineering, Human Work Science and Ergonomics (hsv//eng)
Nyckelord
- Industrial Logistics
- Industriell logistik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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