Trapezoidal approximations of fuzzy numbers---revisited

  • Authors:
  • Przemysław Grzegorzewski;Edyta Mrówka

  • Affiliations:
  • Systems Research Institute, Polish Academy of Sciences, 1 ul. Newelska 6, 01-447 Warsaw, Poland;Systems Research Institute, Polish Academy of Sciences, 1 ul. Newelska 6, 01-447 Warsaw, Poland

  • Venue:
  • Fuzzy Sets and Systems
  • Year:
  • 2007

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Abstract

Fuzzy number approximation by trapezoidal fuzzy numbers which preserve expected interval is discussed. The previously proposed approximation operator is improved so as to always produce a well formed trapezoidal fuzzy number.