Comparative Review of Ranking Functions in Fuzzy Number
DOI:
https://doi.org/10.29304/jqcsm.2026.18.12727Keywords:
Ranking Function, Fuzzy Number, Triangular Fuzzy Numbers, Trapezoidal Fuzzy NumbersAbstract
Fuzzy numbers represent vague numerical quantities, making them difficult to organize according to their magnitude. For making critical decisions, scheduling these numbers is essential. Because fuzzy numbers are often in a state of uncertainty, alternatives are calculated, and comparing them essentially involves choosing between alternatives. Previous studies abound with methods and methodologies addressing fuzzy number (FN) comparison. Many different, simple, and consistent methods are used in research and studies for FN comparison. The purpose of this procedure review is to understand the concepts of different ordering functions for triangular and trapezoidal fuzzy numbers, as presented in previous studies and research. This research will present the results applied to triangular and quaternary fuzzy numbers and their various ordering functions, and compare them.
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