Table 2 List of symbols used in the study.
From: Extended PROMETHEE method with (p,q)-rung linear Diophantine fuzzy sets for robot selection problem
Symbols | Representation |
|---|---|
\({\mathfrak {U}}\) | Universal set |
\({\mathfrak {C}}\) | Criteria |
\(\Psi\) | Membership grade |
\(\Upsilon\) | Non-membership grade |
\(\omega\) | Reference parameter of membership grade |
\(\varpi\) | Reference parameter of non-membership grade |
\({\mathfrak {A}}\) | Alternatives |
\({\mathfrak {w}}\) | Weights |
\(\alpha\) | (p, q)-RLDFN |
\(\xi ({\mathfrak {A}}_{i}, {\mathfrak {A}}_{j})\) | The overall preference index of alternative \({\mathfrak {A}}_{i}\) to \({\mathfrak {A}}_{j}\) |
\(\phi ^{+}\) | Leveling flow |
\(\phi ^{-}\) | Entering flow |
\({\mathfrak {P}}\) | Preference function |
