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I n spite of the remarkable improvements in the quality of general purpose mixed-integer programming software, the effective solution of a variety of lot-sizing problems depends crucially on the development of tight formulations for the special problem features occurring in practice. After reviewing some of the basic preprocessing techniques for handling(More)
bc-prod is a prototype modelling and optimization system designed and able to tackle a wide variety of the discrete-time lot-sizing problems arising both in practice and in the literature. To use bc?prod, the user needs to formulate his/her problem as a mixed integer program using XPRESS-MP's mp ? model, a standard mathematical programming modelling(More)
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