Fuzzy models for the newsboy problem

Dobrila Petrov́ić

doi:10.1016/0925-5273(96)00014-X

1996-08-01

121

PRE

Dobrila Petrov́ić

Radivoj Petrović

Mirko Vujošević

DOI：10.1016/0925-5273(96)00014-X

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摘要

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This paper presents two fuzzy models for the newboy problem in an uncertain environment. It is assumed that uncertainties may appear in demand and in inventory costs. Fuzzy demand is used to describe a subjective estimate, linguistically expressed by the phrase ''demand is about d''. Also, fuzzy demand could be derived from evidences about demand recorded in the past. Imprecise inventory costs, such as overage and shortage costs, are represented by fuzzy sets, too. The quantity that should be ordered for a fixed time period minimizes the possible total cost. The computational aspects of the fuzzy models and their interpretations are illustrated by examples.

Keyword:

inventory

fuzzy demand

possible cost

optimization