A Lagrangian relaxation approach to a coupled lot-sizing and cutting stock problem
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2009-06-01
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Elsevier B.V.
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Industrial production processes involving both lot-sizing and cutting stock problems are common in many industrial settings. However, they are usually treated in a separate way, which could lead to costly production plans. In this paper, a coupled mathematical model is formulated and a heuristic method based on Lagrangian relaxation is proposed. Computational results prove its effectiveness. (C) 2009 Elsevier B.V. All rights reserved.
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International Journal of Production Economics. Amsterdam: Elsevier B.V., v. 119, n. 2, p. 219-227, 2009.
