Journal of Japan Society for Fuzzy Theory and Intelligent Informatics
Online ISSN : 1881-7203
Print ISSN : 1347-7986
ISSN-L : 1347-7986
Original Papers
An Approach to Stochastic Integer Programming Problem with Simple Recourse via Dynamic Slope Scaling Procedure
Ayumi NISHIOKATakayuki SHIINAJun IMAIZUMISusumu MORITO
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2010 Volume 22 Issue 2 Pages 257-265

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Abstract
Mathematical programming has been applied to various fields. However for many actual problems, the assumption that the parameters involved in the problem are deterministic known data is often unjustified. These data contain uncertainty and are thus represented as random variables, since they represent information about the future. Decision-making under conditions of uncertainty involves potential risk. Stochastic programming deals with optimization under uncertainty. A stochastic programming problem with recourse is referred to as a two-stage stochastic problem. We consider the stochastic programming problem with simple integer recourse in which the value of the recourse variable is restricted to a multiple of a nonnegative integer. The algorithm of a dynamic slope scaling procedure to solve the problem is developed by using the property of the expected recourse function. The numerical experiments show that the proposed algorithm is quite efficient. The stochastic programming model defined in this paper is quite useful for a variety of design and operational problems.
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© 2010 Japan Society for Fuzzy Theory and Intelligent Informatics
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