ā | Input: Fuzzy information systems . |
ā | 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. |