On the non-differentiability of fuzzy logic systems

  title={On the non-differentiability of fuzzy logic systems},
  author={Paolo Dadone and Hugh Vanlandingham},
Tuning the parameters of fuzzy logic systems has become an important issue for their efficient development and utilization. Many techniques, mainly based on the application of gradient descent, have been applied to this task. The class of fuzzy logic systems using piecewiselinear membership functions (e.g., triangular or trapezoidal) and/or minimum or maximum operators possesses an error function that is non-differentiable (i.e., at any point in the search space) with respect to some of its… CONTINUE READING

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