Probabilistic analysis of a bin covering algorithm

Probabilistic analysis of a bin covering algorithm

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Article ID: iaor19971093
Country: Netherlands
Volume: 18
Issue: 4
Start Page Number: 193
End Page Number: 199
Publication Date: Feb 1996
Journal: Operations Research Letters
Authors: , ,
Keywords: bin packing
Abstract:

In the bin covering problem the authors are asked to pack a list equ1 of n items, each with size no larger than one, into the maximum number of bins such that the sum of the sizes of the items in each bin is at least one. In this article they analyze the asymptotic average-case behavior of the Iterated-Lowest-Fit-Decreasing (ILFD) algorithm proposed by Assmann et al. Let OPT(X(n)) denote the maximum number of bins that can be covered by X(n) and let ILFD(X(n)) denote the number of bins covered by the ILFD algorithm. Assuming that X(n) is a random sample from an arbitrary probability measure equ2 over [0, 1], the authors show the existence of a constant equ3 and a constructible sequence equ4 such that equ5 and equ6 almost surely. Since equ7 always lies in [0, 1], it follows that equ8 as well. The authors also show that the expected values of the ratio equ9, over all possible probability measures for equ10 lie in equ11, the same range as the deterministic case.

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