Solving the Fully Fuzzy Bilevel Linear Programming Problem through Deviation Degree Measures and a Ranking Function Method

Table 1

Results obtained by our approach and the existing approach.

	Safaei and Saraj [28]			Our approach
	Lower level	Middle level	Upper level
Opt.sol
	(0.39, 0.45)	(1.36, 0.45)	(1.65, 0.45)
Upp.obj.val	2.07	8.6	16.75
Low.obj.val	1.62	9.95	21.7
Fuz.opt.sol
	Upp.Fuz.obj
Low.Fuz.obj