نتایج جستجو برای: neural network approximation

تعداد نتایج: 1008466  

Journal: :Acta Numerica 2021

Neural networks (NNs) are the method of choice for building learning algorithms. They now being investigated other numerical tasks such as solving high-dimensional partial differential equations. Their popularity stems from their empirical success on several challenging problems (computer chess/Go, autonomous navigation, face recognition). However, most scholars agree that a convincing theoreti...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

Journal: :Computers & Mathematics with Applications 2012

Journal: :علوم دامی 0
فاطمه سارانی دانش آموخته کارشناسی ارشد، دانشگاه زابل حمیدرضا میرزایی دانشیار ، دانشگاه زابل مصطفی یوسف الهی استادیار، دانشگاه زابل کاوه اکبرزاده مربی، دانشگاه امام رضا علیه السلام محمد صالحی دیندارلو دانش آموخته کارشناسی ارشد

to determine the amount of food amino acid and to spend time in the laboratories are expensive & time-consuming due to a chemical analysis. in the current laboratories, digestion nirs method is widely used for this purpose. but this method has technical limitation. therefor is important find appropriate method for estimate amount of amino acids. artificial neural network (ann) can provide a bet...

Journal: :IEEE Transactions on Information Theory 2021

This paper develops fundamental limits of deep neural network learning by characterizing what is possible if no constraints are imposed on the algorithm and amount training data. Concretely, we consider Kolmogorov-optimal approximation through networks with guiding theme being a relation between complexity function (class) to be approximated approximating in terms connectivity memory requiremen...

E. Salajegheh, H. Fathnejat, P. Torkzadeh, R. Ghiasi,

Vibration based techniques of structural damage detection using model updating method, are computationally expensive for large-scale structures. In this study, after locating precisely the eventual damage of a structure using modal strain energy based index (MSEBI), To efficiently reduce the computational cost of model updating during the optimization process of damage severity detection, the M...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

Journal: :Mathematical and Computer Modelling 2011

B. Karimi H. Ghiti Sarand

This paper is concerned with the consensus tracking problem of high order MIMO nonlinear multi-agent systems. The agents must follow a leader node in presence of unknown dynamics and uncertain external disturbances. The communication network topology of agents is assumed to be a fixed undirected graph. A distributed adaptive control method is proposed to solve the consensus problem utilizing re...

Journal: :Computers & Mathematics with Applications 2011

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