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Fuzzy linear programming problems: models and solutions

机译:模糊线性规划问题:型号和解决方案

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摘要

We investigate various types of fuzzy linear programming problems based on models and solution methods. First, we review fuzzy linear programming problems with fuzzy decision variables and fuzzy linear programming problems with fuzzy parameters (fuzzy numbers in the definition of the objective function or constraints) along with the associated duality results. Then, we review the fully fuzzy linear programming problems with all variables and parameters being allowed to be fuzzy. Most methods used for solving such problems are based on ranking functions, alpha-cuts, using duality results or penalty functions. In these methods, authors deal with crisp formulations of the fuzzy problems. Recently, some heuristic algorithms have also been proposed. In these methods, some authors solve the fuzzy problem directly, while others solve the crisp problems approximately.
机译:我们根据模型和解决方案方法调查各种类型的模糊线性规划问题。 首先,我们审查模糊决策变量的模糊线性编程问题,以及模糊参数的模糊线性编程问题(客观函数或约束的定义中的模糊数)以及相关的二元结果。 然后,我们审查完全模糊的线性编程问题,所有变量和参数被允许被允许模糊。 用于解决此类问题的大多数方法基于使用二元结果或惩罚函数的排名函数,alpha-cuts。 在这些方法中,作者应对模糊问题的清晰配方。 最近,还提出了一些启发式算法。 在这些方法中,一些作者直接解决了模糊问题,而其他作者则在大约解决清晰的问题。

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