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Minimizing weighted mean absolute deviation of flow times in single machine systems

Y. P. Aneja, S. N. Kabadi and A. Nagar

Naval Research Logistics (NRL), 1998, vol. 45, issue 3, 297-311

Abstract: We discuss the problem of scheduling several jobs on a single machine with the objective of minimizing the weighted mean absolute deviation of flow times around the weighted mean flow time. We first show that the optimal schedule is W‐shaped. For the unweighted case, we show that all optimal schedules are V‐shaped. This characterization enables us to show that the problem is NP‐hard. We then provide a pseudopolynomial algorithm for the unweighted problem. Finally, we consider three heuristic algorithms for the unweighted problem and report computational experience with these algorithms. © 1998 John Wiley & Sons, Inc. Naval Research Logistics 45: 297–311, 1998

Date: 1998
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https://doi.org/10.1002/(SICI)1520-6750(199804)45:33.0.CO;2-2

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Persistent link: https://EconPapers.repec.org/RePEc:wly:navres:v:45:y:1998:i:3:p:297-311

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