نتایج جستجو برای: fuzzy s approximation spaces

تعداد نتایج: 1090232  

Journal: :iranian journal of fuzzy systems 2013
antonio roldan juan martnez-moreno concepcion roldan

considering the increasing interest in fuzzy theory and possible applications,the concept of fuzzy metric space concept has been introduced by severalauthors from different perspectives. this paper interprets the theory in termsof metrics evaluated on fuzzy numbers and defines a strong hausdorff topology.we study interrelationships between this theory and other fuzzy theories suchas intuitionis...

2016
Yuan Wang Keming Tang Zhudeng Wang

In this note, we continue the works in the paper [Some properties of L-fuzzy approximation spaces on bounded integral residuated lattices", Information Sciences, 278, 110-126, 2014]. For a complete involutive residuated lattice, we show that the L-fuzzy topologies generated by a reflexive and transitive L-relation satisfy (TC)L or (TC)R axioms and the L-relations induced by two L-fuzzy topologi...

In [Fuzzy Sets and Systems 27 (1988) 385-389], M. Grabiec in- troduced a notion of completeness for fuzzy metric spaces (in the sense of Kramosil and Michalek) that successfully used to obtain a fuzzy version of Ba- nachs contraction principle. According to the classical case, one can expect that a compact fuzzy metric space be complete in Grabiecs sense. We show here that this is not the case,...

2015
Dongsheng Yang Bingqing Li He Jiang Xingyu Liu Yihe Wang

A fuzzy integral sliding mode control method based on the finite time stable theory and integral sliding mode control theory is proposed to solve a class of complex network problems. The complex networks are expressed by T-S fuzzy models with bounded approximation errors by using the approximation capability of T-S fuzzy models. The paper proposes fuzzy dynamic integral sliding mode control sch...

2006
Chin-Teng Lin Chang-Mao Yeh Jen-Feng Chung Sheng-Fu Liang

In this paper, novel fuzzy neural networks (FNNs) combining with support vector learning mechanism called support-vector-based fuzzy neural networks (SVFNNs) are proposed for pattern classification and function approximation. The SVFNNs combine the capability of minimizing the empirical risk (training error) and expected risk (testing error) of support vector learning in high dimensional data s...

Journal: :IEEE Trans. Fuzzy Systems 2001
Manuel Landajo María J. Río Rigoberto Pérez

Modeling and prediction in some systems requires the simultaneous approximation of mappings and their derivatives to a certain finite order. In this paper, universal approximation capabilities of fuzzy systems are extended to this situation, by showing the denseness of some general classes of fuzzy models in appropriate function spaces where distance between functions is defined in terms of the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

در این رساله مطالعات صورت گرفته بر اساس مقاله “spectral properties of m-isometric operators” که در سال 2012 در مجله functional analysis approximation and computation و مقاله “on two-isometries in finite dimensional spaces” که سال 2012 در mathematical sciences به چاپ رسیده اند، بررسی می شود. عملگر tدر مجموعه عملگرهای خطی کراندار در فضای هیلبرت h را m-طول پا گویند، در صورتی که رابطه ی برای آ...

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