A polynomial approximation scheme for the subset sum problem

A polynomial approximation scheme for the subset sum problem

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Article ID: iaor19971005
Country: Netherlands
Volume: 57
Issue: 2/3
Start Page Number: 243
End Page Number: 253
Publication Date: Feb 1995
Journal: Discrete Applied Mathematics
Authors: , ,
Keywords: sets, programming: integer
Abstract:

The subset sum problem is defined as: given a set of n+1 positive integers, a1,a2,...,an and b, find a subset of the ais such that their sum is the closest to b without exceeding the value b. The authors propose a variation of the well-known polynomial approximation scheme of Martello and Toth for this problem. From a practical point of view the suggested algorithm has a better experimental error behaviour and comparable running time. It is also shown that in the worst theoretical case both algorithms yield the same error.

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