SHERP

단일 추가제약을 갖는 조합최적화문제를 위한 실용적 완화해법의 계산시간 분석
A Complexity Analysis of a "pragmatic" relaxation method for the combinatorial optimization with a side constraint

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Authors
홍성필
Issue Date
2000
Publisher
한국경영과학회 = The Korean Operations Research and Management Science Society
Citation
한국경영과학회지, 제25권, 제1호(2000). pp. 27-36
Abstract
We perform a computational complexity analysis of a heuristic algorithm proposed in the literature for the combinatorial optimization problems extended with a single side-constraint. This algorithm, although such a view was not given in the original work, is a disguised version of an optimal Lagrangian dual solution technique. It also has been observed to be a very efficient heuristic producing near-optimal solutions for the primal problems in some experiments. Especially, the number of iterations grows sublinearly in terms of the network node size so that the heuristic seems to be particularly suitable for the application such as routing with semi-real time requirements. The goal of this paper is to establish a polynomial worst-case complexity of the algorithm in particular, the obtained complexity bound supports the sublinear growth of the required iterations.
ISSN
1225-1119
Language
Korean
URI
http://hdl.handle.net/10371/5338
http://uci.or.kr/G300-j12251119.v25n1p27
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Industrial Engineering (산업공학과)Journal Papers (저널논문_산업공학과)
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