Once more, this has been expanded by defining picture fuzzy sets (PFS) as follows: A PFS A is characterized by three functions mapping U to [0, 1]: , "degree of positive membership", "degree of neutral membership", and "degree of negative membership" respectively and additional condition This expands the voting sample above by an additional possibility of "refusal of voting".
Once more this has been expanded by defining picture fuzzy sets (PFS) as follows: A PFS A is characterized by three functions mapping U to [0, 1]: , "degree of positive membership", "degree of neutral membership", and "degree of negative membership" respectively and additional condition This expands the voting sample above by an additional possibility of "refusal of voting".