Digital Library of Zielona Góra contains 9 272 digital objects
Object
Title: On the convergence of sigmoidal fuzzy grey cognitive maps
Contributor:
Kulczycki, Piotr - ed. ; Kacprzyk, Janusz - ed. ; Kóczy, László T. - ed. ; Mesiar, Radko - ed.
Subtitle:
Group publication title:
Abstract:
Fuzzy cognitive maps (FCMs) are recurrent neural networks applied for modelling complex systems using weighted causal relations. In FCM-based decision-making, the inference about the modelled system is provided by the behaviour of an iteration. Fuzzy grey cognitive maps (FGCMs) are extensions of fuzzy cognitive maps, applying uncertain weights between the concepts. ; This uncertainty is expressed by the so-called grey numbers. Similarly as in FCMs, the inference is determined by an iteration process which may converge to an equilibrium point, but limit cycles or chaotic behaviour may also turn up. In this paper, based on the grey connections between the concepts and the parameters of the sigmoid threshold function, we give sufficient conditions for the existence and uniqueness of fixed points of sigmoid FGCMs.
Publisher:
Zielona Góra: Uniwersytet Zielonogórski
Resource Identifier:
DOI:
Pages:
Source:
AMCS, volume 29, number 3 (2019) ; click here to follow the link
Language:
License CC BY 4.0:
Rights:
Biblioteka Uniwersytetu Zielonogórskiego
Object collections:
- Repository > Faculties > Faculty of Computer, Electrical and Control Engineering
- Repository > Types of work > Articles
- Repository > Scientific journals and UZ publishing series > International Journal of Applied Mathematics and Computer Science (AMCS) > International Journal of Applied Mathematics and Computer Science (AMCS) (2019)
Last modified:
Jul 14, 2025
In our library since:
Jul 11, 2025
Number of object content hits:
14
All available object's versions:
https://zbc.uz.zgora.pl/repozytorium/publication/100981
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International Journal of Applied Mathematics and Computer Science (AMCS), volume 29, number 1 (2019)
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International Journal of Applied Mathematics and Computer Science (AMCS), volume 29, number 2 (2019)
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International Journal of Applied Mathematics and Computer Science (AMCS), volume 29, number 3 (2019)
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International Journal of Applied Mathematics and Computer Science (AMCS), volume 29, number 4 (2019)
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| Edition name | Date |
|---|---|
| On the convergence of sigmoidal fuzzy grey cognitive maps | Jul 14, 2025 |
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