MOLFP
Computing non-dominated solutions in MOLFP In this paper we present a technique to compute the maximum of a weighted sum of the objective functions in multiple objective linear fractional programming (MOLFP). The basic idea of the technique is to divide (by the approximate `middle’) the non-dominated region in two sub-regions and to analyze each of them in order to discard one if it can be proved that the maximum of the weighted sum is in the other. The process is repeated with the remaining region. The process will end when the remaining regions are so little that the differences among their non-dominated solutions are lower than a pre-defined error. Through the discarded regions it is possible to extract conditions that establish weight indifference regions. These conditions define the variation range of the weights that necessarily leads to the same non-dominated solution. An example, illustrating the concept, is presented. Some computational results indicating the performance of the technique are also presented.
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References in zbMATH (referenced in 17 articles , 1 standard article )
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Sorted by year (- Nayak, Suvasis; Ojha, Akshay Kumar: Solution approach to multi-objective linear fractional programming problem using parametric functions (2019)
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- Valipour, E.; Yaghoobi, M. A.; Mashinchi, M.: An iterative approach to solve multiobjective linear fractional programming problems (2014)
- Costa, João Paulo; Alves, Maria João: Enhancing computations of nondominated solutions in MOLFP via reference points (2013)
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- Costa, João Paulo; Alves, Maria João: A Branch & Cut algorithm to compute nondominated solutions in MOLFP via reference points (2011)
- Zerdani, Ouiza; Moulai, Mustapha: Optimization over an integer efficient set of a multiple objective linear fractional problem (2011)
- Costa, J. P.; Alves, M. J.: A reference point technique to compute nondominated solutions in MOLFP (2009)
- Chergui, Mohamed El-Amine; Moulaï, Mustapha: An exact method for a discrete multiobjective linear fractional optimization (2008)
- Costa, João Paulo: Computing non-dominated solutions in MOLFP (2007)
- Costa, João Paulo: An interactive method for multiple objective linear fractional programming problems (2005)