Abstract
Interval methods is one option for managing uncertainty in optimization problems and in decision management. The precise numerical estimation of coefficients may be meaningless in real-world applications, because data sources are often uncertain, vague and incomplete. In this paper we introduce a comparison index for interval ordering based on the generalized Hukuhara difference; we show that the new index includes the commonly used order relations proposed in literature. The definition of a risk measure guarantees the possibility to quantify a worst-case loss when solving maximization or minimization problems with intervals.
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This research was partially supported by the National Project PRIN (2008JN-WWBP_004): Models and Fuzzy Calculus for Economic and Financial Decisions, financed by the Italian Ministry of University.
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Guerra, M.L., Stefanini, L. A comparison index for interval ordering based on generalized Hukuhara difference. Soft Comput 16, 1931–1943 (2012). https://doi.org/10.1007/s00500-012-0866-9
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DOI: https://doi.org/10.1007/s00500-012-0866-9