Abstract
Abstract. One of the interesting subjects in data envelopment analysis(DEA) is the sensivity analysis of efficient decision making units(DMU).In popular models of DEA ,inputs and outputs are considered to be predetermined and clear.But in real applications,the inputs and outputs information are inaccurate and incomplte.Because of uncertain inputs and outputs, in this paper,an fuzzy model of data envelopment analysis is introduced by Gaussian fuzzy numbers ,and a method for solving this fuzzy problem is also proposed.We determine fuzzy efficient and fuzzy inefficient DMUs by proposed method.Then,the sensivity and stability analysis of efficient and inefficient fuzzy decision making units is studied.Finally,numerical examples are offered to describe the sensivity analysis.
Published Version
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