نتایج جستجو برای: fuzzy lr solution

تعداد نتایج: 557079  

2015
G. Beliakov H. Bustince Y. Wu Y. Gong A. Katsaggelos

To developing a novel fuzzy rule-based prediction framework used for high quality image zooming. This is developed using patch-based image zooming technique that is Low Resolution (LR) patch are replaced by estimated High Resolution (HR) patch. Using fuzzy rule algorithm the LR input image reconstructed into high quality images.

Journal: :iranian journal of fuzzy systems 2012
r. ezzati s. khezerloo z. valizadeh n. mahdavi-amiri

we present a model and propose an approach to compute an approximate solution of fully fuzzy linear system $(ffls)$ of equations in which all the components of the coefficient matrix are either nonnegative or nonpositive. first, in discussing an $ffls$ with a nonnegative coefficient matrix, we consider an equivalent $ffls$ by using an appropriate permutation to simplify fuzzy multiplications. t...

Journal: :Int. J. Approx. Reasoning 2010
Maria Brigida Ferraro Renato Coppi Gil González-Rodríguez Ana Colubi

A linear regression model with imprecise response and p real explanatory variables is analyzed. The imprecision of the response variable is functionally described by means of certain kinds of fuzzy sets, the LR fuzzy sets. The LR fuzzy random variables are introduced to model usual random experiments when the characteristic observed on each result can be described with fuzzy numbers of a partic...

2012
Manju Pandey Nilay Khare

In this paper a new aggregation operator for a class of LR Fuzzy Numbers i.e., Triangular Fuzzy Numbers (TFNs) in which the Land Rapex angles of the piecewise continuous linear membership function of the composite or resultant or aggregate TFN are the arithmetic means of the corresponding Land Rapex angles of the individual TFNs is proposed. The Land Rapex angles have been treated independently...

Journal: :Computer Science (AGH) 2013
Jacek Czerniak Wojciech T. Dobrosielski Rafal A. Angryk

This paper presents certain important aspects of the fuzzy logic extension, one of which is OFN. It includes basic definitions of that discipline. It also compares fuzzy logic arithmetic with the arithmetic of ordered fuzzy numbers in L-R notation. Computational experiments were based on fuzzy observation of the impounding basin. The results of the study show that there is a connection between ...

Journal: :IJFSA 2012
Sireesha Veeramachaneni N. Ravi Shankar K. Srinivasa Rao P. Phani Bushan Rao

In this paper, the authors propose a new method to compute the fuzzy latest times and float times of activities for a project scheduling problem with fuzzy activity times. The authors have considered LR fuzzy numbers to represent the activity times. As the data of the problem are LR fuzzy numbers, the authors have shown that the results are also in terms of LR fuzzy numbers. Total float time of...

Journal: :Int. J. Computational Intelligence Systems 2012
Àngela Nebot Francisco Mugica Félix Castro Jesús Antonio Acosta Sarmiento

In this research a genetic fuzzy system (GFS) is proposed that performs discretization parameter learning in the context of the Fuzzy Inductive Reasoning (FIR) methodology and the Linguistic Rule FIR (LR-FIR) algorithm. The main goal of the GFS is to take advantage of the potentialities of GAs to learn the fuzzification parameters of the FIR and LR-FIR approaches in order to obtain reliable and...

Journal: :نظریه تقریب و کاربرد های آن 0
m. mosleh department of mathematics, islamic azad university, firuozkooh branch, firuozkooh, iran. s. abbasbandy department of mathematics, science and research branch, islamic azad university, tehran 14515/775, iran. m. otadi department of mathematics, islamic azad university, firuozkooh branch, firuozkooh, iran.

in this paper, a numerical method for nding minimal solution of a mn fullyfuzzy linear system of the form ax = b based on pseudo inverse calculation,is given when the central matrix of coecients is row full rank or column fullrank, and where a~ is a non-negative fuzzy mn matrix, the unknown vectorx is a vector consisting of n non-negative fuzzy numbers and the constant b isa vector consisti...

Journal: :Expert Syst. Appl. 2015
Enriqueta Vercher José D. Bermúdez

We introduce a cardinality constrained multi-objective optimization problem for generating efficient portfolios within a fuzzy mean-absolute deviation framework. We assume that the return on a given portfolio is modeled by means of LR-type fuzzy variables, whose credibility distributions collect the contemporary relationships among the returns on individual assets. To consider credibility measu...

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