Interpolation of fuzzy data: Analytical approach and overview

  • Authors:
  • Irina Perfilieva;Didier Dubois;Henri Prade;Francesc Esteva;Lluis Godo;Petra Hoďáková

  • Affiliations:
  • University of Ostrava, Institute for Research and Applications of Fuzzy Modeling, 30. dubna 22, 701 03 Ostrava 1, Czech Republic;IRIT, CNRS and Universit de Toulouse, 118 route de Narbonne, 31062 Toulouse, France;IRIT, CNRS and Universit de Toulouse, 118 route de Narbonne, 31062 Toulouse, France;Artificial Intelligence Research Institute (IIIA), Spanish National Research Council (CSIC), 08193 Bellaterra, Spain;Artificial Intelligence Research Institute (IIIA), Spanish National Research Council (CSIC), 08193 Bellaterra, Spain;University of Ostrava, Institute for Research and Applications of Fuzzy Modeling, 30. dubna 22, 701 03 Ostrava 1, Czech Republic

  • Venue:
  • Fuzzy Sets and Systems
  • Year:
  • 2012

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Abstract

We propose a general framework for the interpolation problem. Our framework stems from the classical elaboration of the problem. We introduce the notion of an interpolating fuzzy function and show how this function can be characterized. We examine and analyze previously published fuzzy interpolation algorithms to choose those algorithms that can be represented analytically. We also propose an analytic solution of the interpolation problem that unifies various algorithmic approaches.