Heuristic and exact algorithms for the simultaneous assignment problem

被引：7
|
作者：
Yamada, T [1 ]
Nasu, Y [1 ]
机构：
[1] Natl Def Acad, Dept Comp Sci, Yokosuka, Kanagawa 2398686, Japan
来源：
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH | 2000年 / 123卷 / 03期
关键词：
simultaneous assignment problem; local search; pegging test; combinatorial optimization;
D O I：
10.1016/S0377-2217(99)00100-9
中图分类号：
C93 [管理学];
学科分类号：
12 ; 1201 ; 1202 ; 120202 ;
摘要：
The simultaneous assignment problem is formulated as an extension to the assignment problem. The problem is proved, NP-hard. We evaluate its lower bound and present some approximate algorithms. Also we introduce the pegging test to this problem and show that this remarkably reduces the size of the original problem. Combining these we give an algorithm to solve the problem to optimality, and through numerical tests analyze the behavior of the developed algorithms. Randomly generated test problems with up to 48 000 variables are solved in less than a few minutes. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：531 / 542
页数：12
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