Two Weighted Fuzzy Goal Programming Methods to Solve Multiobjective Goal Programming Problem

Table 10

Comparison.

Weight (𝑤)	Proposed method 1; with 𝜆+𝑑^−𝑘−𝑑^+𝑘=1	Proposed method 2; with 𝜆+𝑑^−𝑘−𝑑^+𝑘=1	Hannan’s method
1/8, 1/3	𝜆>1	Infeasibility present
𝑤𝑘≤1, 𝑘=1,2	Infeasibility present	Infeasibility present
∑𝑤𝑘= 1, 𝑘=1,2	Infeasibility present	Infeasibility present	Infeasibility present
Model class	NLP	NLP	NLP