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Table 2 The results of investigating capability of NEFPROX in learning parameter of membership function (MF) of a FIS focusing on the original oFIS

From: Development of a neuro-fuzzy technique for automated parameter optimization of inverse treatment planning

   Locations of MF [-1;1.2]   
  Membership functions Old FIS New FIS Location Difference Mean Percentage Difference
Input MF 1 -1.0 -1.0 0.0 0.83%
  MF 2 1.0 0.9 0.1  
  MF 1 -1.0 -1.0 0.0  
  MF 2 1.0 1.0 0.0  
  MF 1 -1.0 -1.0 0.0  
  MF 2 1.0 1.0 0.0  
Output MF 1 -1.0 -1.1 0.1 5.0%
  MF 2 0.0 0.0 0.0  
  MF 3 1.0 1.2 0.2  
  MF 1 -1.0 -1.1 0.1  
  MF 2 0.0 0.0 0.0  
  MF 3 1.0 1.1 0.1  
  MF 1 -1.0 -1.1 0.1  
  MF 2 0.0 0.2 0.2  
  MF 3 1.0 1.1 0.1