نتایج جستجو برای: static neural network

تعداد نتایج: 928347  

Journal: :international journal of data envelopment analysis 2014
s. dolatabadi h. rezai zhiani

the paper deals with data envelopment analysis (dea) and artificial neural network (ann). we believe that solving for the dea efficiency measure, simultaneously with neural network model, provides a promising rich approach to optimal solution. in this paper, a new neural network model is used to estimate the inefficiency of dmus in large datasets.

2017
Jyothi Rani V. V. Haragopal M. Krishna Reddy

In this paper, Inflation constitutes one of the major economic problems in emerging market economies that requires monetary authorities to elaborate tools and policies to prevent high volatility in prices and long periods of inflation. This paper outlines to forecast monthly inflation rate of India by using neural networks on the evaluation of set of variables. The data used for estimating the ...

1999
Gursel Serpen Amol Patwardhan

This paper presents a study on computational promise of Simultaneous Recurrent Networks to solve large-scale optimization problems. Specifically the performance of the network for solving Traveling Salesman Problem is addressed and analyzed. A recurrent and trainable neural network, Simultaneous Recurrent Network, with Recurrent Backpropagation training algorithm is employed to address difficul...

Journal: :نشریه دانشکده فنی 0
شبنم شهبازی دانشگاه صنعتی امیرکبیر عبدالرحیم جواهریان موسسه ژئوفیزیک مجتبی محمدو خراسانی شرکت ملی نفت

geological facies interpretation is essential for reservoir studying. the method of classification and identification seismic traces is a powerful approach for geological facies classification and distinction. use of neural networks as classifiers is increasing in different sciences like seismic. they are computer efficient and ideal for patterns identification. they can simply learn new algori...

M. R. Aghamohammadi,

This paper proposes a novel approach for generation scheduling using sensitivitycharacteristic of a Security Analyzer Neural Network (SANN) for improving static securityof power system. In this paper, the potential overloading at the post contingency steadystateassociated with each line outage is proposed as a security index which is used forevaluation and enhancement of system static security....

Journal: :فیزیک زمین و فضا 0
علیرضا حاجیان مربی، گروه فیزیک، دانشگاه آزاد اسلامی واحد نجف آباد، ایران وحید ابراهیم زاده اردستانی دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران و قطب علمی مهندسی نقشه برداری و مقابله با سوانح طبیعی، تهران، ایران کار لوکاس استاد، دانشکده برق وکامپیوتر دانشگاه تهران وقطب علمی کنترل وپردازش هوشمند ،تهران،ایران

the method of artificial neural network is used as a suitable tool for intelligent interpretation of gravity data in this paper. we have designed a hopfield neural network to estimate the gravity source depth. the designed network was tested by both synthetic and real data. as real data, this artificial neural network was used to estimate the depth of a qanat (an underground channel) located at...

Journal: :تحقیقات آب و خاک ایران 0
ایمان جوادزرین کارشناس ارشد، گروه مهندسی علوم خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران. بابک متشرع زاده دانشیار گروه مهندسی علوم خاک، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

the aim followed in this study was to compare the performance of multiple regression vs neural network models to predict the activity of antioxidant enzymes super oxide dismutase (sod), cat alase (cat), ascorbate pero xidase (apx) and peroxidase (pox) in the shoots of wheat (triticum aestivum), alvand cultivar in a soil polluted with cadmium. the treatments consisted of four levels of cadmium (...

Journal: :iranian economic review 0

estimation (forecasting) of industrial production costs is one of the most important factor affecting decisions in the highly competitive markets. thus, accuracy of the estimation is highly desirable. hibrid regression neural network is an approach proposed in this paper to obtain better fitness in comparison with regression analysis and the neural network methods. comparing the estimated resul...

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