نتایج جستجو برای: fuzzy risk function

تعداد نتایج: 2160837  

Journal: :iranian journal of fuzzy systems 2012
majid alavi babak asady

in this paper a linear fuzzy fredholm integral equation(ffie) with arbitrary fuzzy function input and symmetric triangular (fuzzy interval) output is considered. for each variable, output is the nearest triangular fuzzy number (fuzzy interval) to the exact fuzzy solution of (ffie).

2001
Yixin Chen James Z. Wang

To design a fuzzy rule-based classification system (fuzzy classifier) with good generalization ability in a high dimensional feature space has been an active research topic for a long time. As a powerful machine learning approach for pattern recognition problems, support vector machine (SVM) is known to have good generalization ability. More importantly, an SVM can work very well on a high (or ...

Journal: :Intell. Data Anal. 2003
Rui Ji Yupu Yang

To design a fuzzy rule-based classification system (fuzzy classifier) with good generalization ability in a high dimensional feature space has been an active research topic for a long time. As a powerful machine learning approach for pattern recognition problems, support vector machine (SVM) is known to have good generalization ability. More importantly, an SVM can work very well on a high(or e...

Journal: :نظریه تقریب و کاربرد های آن 0
مهران چهلابی دانشگاه آزاد سواد کوه یزد

in this paper, rst a design is proposed for representing fuzzy polynomials withinput fuzzy and output fuzzy. then, we sketch a constructive proof for existenceof such polynomial which can be fuzzy interpolation polynomial in a set given ofdiscrete points rather than a fuzzy function. finally, to illustrate some numericalexamples are solved.

ژورنال: سلامت کار ایران 2013
مرادی, معصومه , , , شهرکی, علیرضا,

Background and aims: Risk assessment is the most important function in the Risk management Process. Because the lack of existing a general methodology in this filed, organizations prefer to use simple approaches. These approaches are not capable of presenting an accurate ranking of dangers. The aim of this paper was to overcome the existing limitation of the simple approaches. Methods: The pres...

Journal: :journal of linear and topological algebra (jlta) 0
r ezzati department of mathematics, karaj branch, islamic azad university, karaj, iran. a yousefzadeh department of mathematics, karaj branch, islamic azad university, karaj, iran.

in this paper, we propose the least-squares method for computing the positive solution of a m  n fully fuzzy linear system (ffls) of equations, where m > n, based on ka man's arithmetic operations on fuzzy numbers that introduced in [18]. first, we consider all elements of coecient matrix are non-negative or non-positive. also, we obtain 1-cut of the fuzzy number vector solution of the n...

2014
Fei Wang Jingyu Su Wei Wang

The post earthquake collapse is one of the important causes of the mountain town houses damaged and traffic congestion, it has important significance to carry on the scientific and reasonable assessment to take preventive measures accordingly. Aiming at the complexity of post earthquake collapse formation mechanism and the uncertainty of evaluation index, according to evidence theory and fuzzy ...

2004
Y. NISHIWAKI E. FRAUENDORFER T. ONISAWA

There are many types of uncertainties involved in the risk assessment. However, they may be divided into two major categories; the uncertainty due to randomness and that due to fuzziness. Conventional methods of treating the uncertainty are to apply statistical methods of estimation which are, in turn, based on the concept of probability. Even in the cases where the source of uncertainty is of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1387

از دیرباز وقوع خطا و اتصال کوتاه یکی از مسائل اجتناب ناپذیر خطوط انتقال بوده است. این خطاها در شبکه های قدرت موجب بروز خساراتی سنگین در تجهیزات شده و تلفات جانی و مالی بسیاری را نیز در پی داشته اند. بنابراین می بایست تا جای ممکن خطاها را سریع تر و صحیح تر تشخیص داده و اجازه باقی ماندن خطا به مدت طولانی در شبکه را ندهیم. تلاش مهندسین برق در طی سالیان گذشته موجب دستیابی به روش های متنوعی در زمی...

2009
R. Guo

In reliability, quality control and risk analysis, fuzzy methodologies are more and more involved and inevitably introduced difficulties in seeking fuzzy functional relationship between factors. In this paper, we propose a scalar variable formation of fuzzy regression model based on the credibility measure theoretical foundation. It is expecting our scalar variable treatments on fuzzy regressio...

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