M. Andy Rudhito, Sri Wahyuni, Ari Suparwanto, F. SusiloProsiding seminar nasional matematika, UNEJ, Jember 28 Pebruari 2009.
ABSTRACT. The activity times in a project network are seldom precisely known, and then could be represented into the fuzzy numbers. This paper aims to determine the earliest starting times for each node in the project networks with fuzzy numbers activity times using fuzzy number max-plus algebra. The finding shows that the project networks with fuzzy number activity can be represented as a matrix over fuzzy number max-plus algebra. The project networks dynamics can be represented as a iterative system of fuzzy number max-plus linear equations. The earliest starting times for each node in the networks are the solutions of the system. Form this result, we can also determine the earliest completion for every activity in the network.
Keywords: max-plus algebra, earliest starting times, project network, fuzzy number.
(Artikel dalam bahasa Indonesia)
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