Abstract
Abstract This paper offers an opportunity to solve multi-level multi-objective fully quadratic fractional optimization model(MLMOFQFOM) with trapezoidal fuzzy numbers(TrFN) and soft fuzzy quadratic constraints. Rouben-Ranking function and interactive Fuzzy Goal Programming(FGP) approach have been considered to attain a compromised solution. Firstly, fuzzy constraints are replaced by fuzzy goals using tolerance limits. After which objective functions are converted into deterministic form. Non-fractional models are constructed to get choices for decision variables. The weighted sum of under deviation variables has been implemented as an objective in the equivalent models. An algorithm is presented with numerical to support the authenticity of the explained approach.
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