| | Input: Fuzzy information systems . |
| | Output: Decision-Making. |
| (1) | Enter , , and . |
| (2) | From Definition 7, calculate fuzzy -neighborhood. |
| (3) | From Step 2 and by Definition 8, calculate complementary fuzzy -neighborhood |
| (4) | From Steps 2 and 3, calculate . |
| (5) | Enter and . |
| (6) | Calculate the distances and . |
| (7) | From Definition 13, calculate the lower approximation and the upper approximation . |
| (8) | Calculate the worst and the best decision-making objects and for each individual decision-maker. |
| (9) | Calculate the individual ranking function . |
| (10) | Calculate the group ranking function . |
| (11) | Obtain the decision. |
