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| Tekijä: | Jonsson, O. Ronnqvist, M. |
| Otsikko: | A heuristic for purchasing of sheet metal decisions based on mathematical programming |
| Lehti: | Journal of the Operational Research Society
1994 : AUG, VOL. 45:8, p. 878-885 |
| Asiasana: | HEURISTIC METHODS INTEGER PROGRAMMING OIL POLLUTION |
| Kieli: | eng |
| Tiivistelmä: | An operational research project at the Oskarshamn plant of Saab Scania AB Truckdivision Sweden is reported. The decision problem concerns the product mix of sheet metal purchased. A mathematical p-median problem. This optimization problem is soved using Lagrangean relaxation and a subgradient optimization procedure. Numerical results for problems of real-world size and structure are reported and indicate satisfactory efficiency. |
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