Bi-Level Multi-Objective Large Scale Integer Quadratic Programming Problem with Symmetric Trapezoidal Fuzzy Numbers in the Objective Functions
O. E. Emam, E. Fathy, A. A. Abdullah
Journal of Advances in Mathematics and Computer Science · pp. 1–15 · Published 21 Apr 2018
10.9734/JAMCS/2018/40808Abstract
This paper focuses on the solution of a Bi-Level Multi-Objective Large Scale Integer Quadratic Programming (BLMOLSIQP) problem, where all the decision parameters in the objective functions are symmetric trapezoidal fuzzy numbers, and have block angular structure of the constraints. The suggested algorithm based on α-level sets of fuzzy numbers, weighted sum method, Taylor’s series, Decomposition algorithm, and also the Branch and Bound method is used to find a compromised solution for the problem under consideration. Then, the proposed algorithm is compared to Frank and Wolfe algorithm to demonstrate its effectiveness. Moreover, the theoretical results are illustrated with the help of a numerical example.
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