The shape of fuzzy sets in adaptive function approximation

S Mitaim, B Kosko - IEEE Transactions on fuzzy systems, 2001 - ieeexplore.ieee.org
… resulting adaptive fuzzy systems approximate a battery of test functions. No one set shape
… in terms of the squared error (SE) of the function approximation for a constant learning rate . …

Notes on the approximation rate of fuzzy KH interpolators

D Tikk - Fuzzy Sets and Systems, 2003 - Elsevier
… In this paper we derived approximation rates for the KH interpolator and for its modification
the MACI method. The achieved results exploited the connection of Shepard and KH …

[图书][B] Fuzzy mathematics: Approximation theory

GA Anastassiou - 2010 - Springer
… It follows Chapter 4 on Fuzzy Ostrowski … Fuzzy Approximation. In Chapters 7(11 we develop
completely the theory of convergence with rates of Fuzzy Positive linear operators to Fuzzy

Kernel shapes of fuzzy sets in fuzzy systems for function approximation

Q Luo, W Yang, D Yi - Information sciences, 2008 - Elsevier
fuzzy sets affect the approximating capability of fuzzy systems. In this paper, the fuzzy systems
with the kernel-shaped if-part fuzzy sets … the uniform approximation rates among various …

The relationship between the uniform approximation rates and the shapes of fuzzy sets in fuzzy systems

Q Luo, D Yi, W Yang - Kybernetes, 2009 - emerald.com
… of the shape of the fuzzy sets in this paper. Based on the approximation rates, the relationship
… We will estimate the uniform approximation rate for the fuzzy system, where this rate is …

Fuzzy sets in approximate reasoning: A personal view

D Dubois, H Prade - Fuzzy Logic: Implementation and Applications, 1996 - Springer
set of fuzzy rules associated with similarity relations expressing closeness, and then we
consider the use of approximate … the similarity or approximate equality slightly deteriorates when …

What is the best shape for a fuzzy set in function approximation?

S Mitaim, B Kosko - … of IEEE 5th International Fuzzy Systems, 1996 - ieeexplore.ieee.org
… may find approximation bounds that let us compare the set functions in a formal sense.
Other research may explore how optimal learning rates [8] affect the function approximation. …

Decision-theoretic three-way approximations of fuzzy sets

X Deng, Y Yao - Information Sciences, 2014 - Elsevier
… -region approximation of a fuzzy set is constructed from a pair of thresholds ( α , β ) on the
fuzzy … In the framework of shadowed sets (ie, an example of three-way approximations of fuzzy

Approximation of fuzzy sets by interval type-2 trapezoidal fuzzy sets

Y Shen, W Pedrycz, X Wang - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
fuzzy set which are essential to the proposed approximation algorithms in this paper. 1) Finite
Support: The support of the fuzzy set … 2) Interval Core: The core of the fuzzy set is either a …

Statistical -summability and associated fuzzy approximation theorems with statistical fuzzy rates

AA Das, SK Paikray, T Pradhan, H Dutta - Soft Computing, 2020 - Springer
… Korovkin-type approximation theorem. Furthermore, we have established another result for
the fuzzy rate of convergence which is uniform in fuzzy Korovkin-type approximation theorem …