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特殊多维0-1背包问题的约束简化方法——不等式单约束生成法
A predigesting method for the special multi-dimension──the generation method of lnequality single restrict
【摘要】 针对一类组合优化问题中多维 0 -1背包问题 (MKP) ,给出一种能减少求解难度的方法 :不等式单约束生成法 ;定义了MKP的紧约束概念 ,指出MKP也是一个NP -难问题 ;提出了一种代替多约束组的计算方法 ,并证明了经过替换后所得到的新问题与原问题在解精度上的等价性 .
【Abstract】 In this paper, it lodged a method of reducing the solving difficulty--the creative method of non-equivalence single restrict, aim at a kind of combination and optimize problem-multi-dimension 0-1 knapsack problem(also called the NP-hard problem). It defined the tightness restrictive conception of this problem, and lodged a calculation method of replacing a restrict group with a single restrict condition. It proved the equivalence property of solution precision between original problem and new problem that be replaced.
【关键词】 NP-难问题;
不等式单约束;
紧约束;
解精度等价性;
【Key words】 NP-hard problem; non-equivalence single restrict; tightness restrict; solution precision equivalence;
【Key words】 NP-hard problem; non-equivalence single restrict; tightness restrict; solution precision equivalence;
【基金】 国家自然科学基金资助项目 ( 7970 0 0 6 )
- 【文献出处】 东北师大学报(自然科学版) ,Journal of Northeast Normal University (Natural Science Edition) , 编辑部邮箱 ,2002年03期
- 【分类号】O221.4
- 【被引频次】7
- 【下载频次】153