Karyati, D.U. Wutsqa, N. Binatari
There are many ranking function of a fuzzy number. Yager, Maleki, Adamo, centre of maxima, centre of gravity, and soon. This paper discusses about the ranking function for trapezoidal fuzzy number that is called magnitude method. We get some properties related to the arithmetic operation. The other result says that this magnitude method has ordered properties. © Published under licence by IOP Publishing Ltd.
Mathematics Education Department, Universitas Negeri Yogyakarta, Yogyakarta, Indonesia
