Table 1 Triangular fuzzy preference scale.
The relative weights of i and j | Definition | Triangular fuzzy number |
|---|---|---|
1 | Equally importance between i and j | (1,1,1) |
3 | Moderate importance of i over j | (2,3,4) |
5 | Essential or strong importance of i over j | (4,5,6) |
7 | Demonstrated importance of i over j | (6,7,8) |
9 | Extreme importance of i over j | (9,9,9) |
2 | Intermediate values between two adjacent judgments | (1,2,3) |
4 | Intermediate values between two adjacent judgments | (3,4,5) |
6 | Intermediate values between two adjacent judgments | (5,6,7) |
8 | Intermediate values between two adjacent judgments | (7,8,9) |
