求解长方体Packing问题的纯粹拟人算法

被引:8
作者
黄文奇
何琨
机构
[1] 华中科技大学计算机科学与技术学院
基金
中国博士后科学基金;
关键词
Packing问题; NP难度; 启发式算法; 拟人方法; 穴度;
D O I
暂无
中图分类号
TP301.6 [算法理论];
学科分类号
081202 ;
摘要
对于具有NP难度的长方体Packing问题,挖掘出了中国古代谚语"金角银边草肚皮"中隐藏的智慧,并进一步发展出新子句"价值最高钻石穴".在利用现代西方的先进数学工具经过确切化、完整化与形式化后,得出了一种纯粹拟人型的求解算法.试算了国际上公开通行的两组有代表性的算例(benchmark).对于100个强异构型的困难算例,所得布局图案达到了87.31%的平均空间利用率,刷新了当今国际上的最好纪录,将它提高了1.83个百分点.对于47个无方向约束的困难算例,得到了92.05%的平均空间利用率,将当今国际上的最好纪录提高了1.05个百分点.
引用
收藏
页码:617 / 622
页数:6
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