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Intuitionistic Fuzzy Set (IFS)
Intuitionistic Fuzzy Set (IFS)
• The intuitionistic fuzzy set (IFS) introduced in 1983 by Krassimir T. Atanassov asgeneralization of fuzzy sets.
Şekil 3. A sezgisel bulanık kümesi (Garg ,Rani ve Sharma, 2013)
Basic Relations and Operations On IFSs
Basic Relations and Operations On IFSs
Example
• Let E = {a, b, c, d, e}, let the IFSs A and B have the forms:
A = {(a, 0.5, 0.3), (b, 0.1, 0.7), (c, 1.0,0.0), (d, 0.0, 0.0), (e, 0.0,1.0)},
B = {(a, 0.7, 0.1), (b, 0.3, 0.2), (c, 0.5, 0.5), (d, 0.2, 0.2), (e, 1.0,0.0)}.
Then
Algebra Laws in IFSs
Algebra Laws in IFSs
Triangular Intuitionistic Fuzzy Number (TIFN)
ATIFN is a fuzzy set on R with the form
Triangular Intuitionistic Fuzzy Number (TIFN)
Triangular Intuitionistic Fuzzy Number (TIFN)
Triangular Intuitionistic Fuzzy Number (TIFN)
Aritmetic Operations on Triangular Intuitionistic
Fuzzy Numbers (TIFN)
α –cut of Triangular Intuitionistic Fuzzy Number (TIFN)
Sezgisel bulanık sayının üye olmama fonksiyonunun α kesim kümesi:
• Sezgisel bulanık sayının üye olmama fonksiyonunun α kesim kümesi:
α –cut of Triangular Intuitionistic Fuzzy Number (TIFN)
α –cut of Triangular Intuitionistic Fuzzy Number (TIFN)
Trapezoidal Intuitionistic Fuzzy Number (TRIFN)
Operations on Trapezoidal Intuitionistic Fuzzy Number (TRIFN)