A new method for computing continuous functions with fuzzy variable

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Main Authors: Muhammad Zaini, Ahmad, Hasan, M.K., De Baets, B.
Format: Article
Language:English
Published: Asian Network for Scientific Information (ANSInet) 2011
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Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13367
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Institution: Universiti Malaysia Perlis
Language: English
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spelling my.unimap-133672011-08-02T03:24:38Z A new method for computing continuous functions with fuzzy variable Muhammad Zaini, Ahmad Hasan, M.K. De Baets, B. Discretisation Fuzzy interval Fuzzy set Optimisation Zadeh's extension principle Link to publisher's homepage at http://www.ansinet.com/ This study proposes a new method for computing f(U) where f is a real continuous function and U is a fuzzy interval. The computation of f(U) is performed by incorporating optimisation technique into Zadeh's extension principle. By discretising α up to n finite numbers, a set of n closed and bounded intervals is obtained. Here, the computation of f on closed and bounded intervals is the same idea of solving unconstrained optimisation problems. For every finite numbers of α, if the function to be optimised is unimodal, the authors apply Brent's method. One of the main advantages of using this method is that it does not require the calculation of derivative. In case where f is reduced to monotone or to a straight line, the optimal solutions are obtained at the endpoints of intervals. This new strategy gives better results and requires only few function evaluations. An example is provided to illustrate the effectiveness of the proposed method. 2011-08-02T03:24:38Z 2011-08-02T03:24:38Z 2011 Article Journal of Applied Sciences, vol.11 (7), 2011, pages 1143-1149 1812-5654 http://www.scialert.net/qredirect.php?doi=jas.2011.1143.1149&linkid=pdf http://hdl.handle.net/123456789/13367 en Asian Network for Scientific Information (ANSInet)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Discretisation
Fuzzy interval
Fuzzy set
Optimisation
Zadeh's extension principle
spellingShingle Discretisation
Fuzzy interval
Fuzzy set
Optimisation
Zadeh's extension principle
Muhammad Zaini, Ahmad
Hasan, M.K.
De Baets, B.
A new method for computing continuous functions with fuzzy variable
description Link to publisher's homepage at http://www.ansinet.com/
format Article
author Muhammad Zaini, Ahmad
Hasan, M.K.
De Baets, B.
author_facet Muhammad Zaini, Ahmad
Hasan, M.K.
De Baets, B.
author_sort Muhammad Zaini, Ahmad
title A new method for computing continuous functions with fuzzy variable
title_short A new method for computing continuous functions with fuzzy variable
title_full A new method for computing continuous functions with fuzzy variable
title_fullStr A new method for computing continuous functions with fuzzy variable
title_full_unstemmed A new method for computing continuous functions with fuzzy variable
title_sort new method for computing continuous functions with fuzzy variable
publisher Asian Network for Scientific Information (ANSInet)
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13367
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