A near-optimal solution to a two-dimensional cutting stock problem

被引:138
|
作者
Kenyon, C
Rémila, E
机构
[1] Univ Paris Sud, LRI, F-91405 Orsay, France
[2] Univ St Etienne, IUT Roanne, Grima, F-42334 Roanne, France
[3] Ecole Normale Super Lyon, CNRS, Umr 5668, F-69364 Lyon, France
关键词
cutting-stock; strip-packing; fully polynomial approximation scheme;
D O I
10.1287/moor.25.4.645.12118
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
We present an asymptotic fully polynomial approximation scheme for strip-packing, or packing rectangles into a rectangle of fixed width and minimum height, a classical NP-hard cutting-stock problem. The algorithm, based on a new linear-programming relaxation, finds a packing of n rectangles whose total height is within a factor of(1 + epsilon) of optimal (up to an additive term), and has running time polynomial both in n and in 1/epsilon.
引用
收藏
页码:645 / 656
页数:12
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