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An effective dynamic programming algorithm for the minimum-cost maximal knapsack packing problem
DOI:10.1016/j.ejor.2017.03.061.png)
Abstract
En 中文
Given a set of items with profits and weights and a knapsack capacity, we study the problem of finding a maximal knapsack packing that minimizes the profit of the selected items. We propose an effective dynamic programming (DP) algorithm which has a pseudo-polynomial time complexity. We demonstrate the equivalence between this problem and the problem of finding a minimal knapsack cover that maximizes the profit of the selected items. In an extensive computational study on a large and diverse set of benchmark instances, we demonstrate that the new DP algorithm outperforms a state-of-the-art commercial mixed-integer programming (MIP) solver applied to the two best performing MIP models from the literature. (C) 2017 Elsevier B.V. All rights reserved.
Keywords:
Combinatorial optimization
Maximal knapsack packing
Minimal knapsack cover
Dynamic programming
Integer programming
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