منابع مشابه
Formation of Dna Networks — Computer Simulations ∗
We report results of the computer simulation of the kinetic gelation process of the formation of a two-dimensional network. The simulation is performed on a basis of a two-dimensional triangular lattice. Our aim is to analyze the distribution Ng(s) of the pore size s in the network, as dependent on the concentration of the linear polymer molecules in the system. Here we demonstrate, that for so...
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در این تحقیق شبکه عصبی مصنوعی برای پیش بینی مقادیر ضریب اطمینان و فاکتور ایمنی بحرانی سدهای خاکی ناهمگن ضمن در نظر گرفتن تاثیر نیروی اینرسی زلزله ارائه شده است. ورودی های مدل شامل ارتفاع سد و زاویه شیب بالا دست، ضریب زلزله، ارتفاع آب، پارامترهای مقاومتی هسته و پوسته و خروجی های آن شامل ضریب اطمینان می شود. مهمترین پارامتر مورد نظر در تحلیل پایداری شیب، بدست آوردن فاکتور ایمنی است. در این تحقیق ...
Assessing the Posture and predicting the factors affecting musculoskeletal disorders in computer uses by neural networks
Introduction: Working with a computer and workplace conditions expose people to risk factors of musculoskeletal disorders (MSDs). This study aimed to assess posture, examine MSDs, and determine, weigh and prioritize the risk factors among computer users by a neural network algorithm. Material and Methods: This descriptive-analytical cross-sectional study was conducted in six phases on compute...
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The unsupervised learning of feature extraction in high-dimesional patterns is a central problem for the neural network approach. Feature extraction is a procedure which maps original patterns into the feature (or factor) space of reduced dimension. In this paper we demonstrate that Hebbian learning in Hopfield-like neural network is a natural procedure for unsupervised learning of feature extr...
متن کاملNeural Networks and Neuroscience-Inspired Computer Vision
Brains are, at a fundamental level, biological computing machines. They transform a torrent of complex and ambiguous sensory information into coherent thought and action, allowing an organism to perceive and model its environment, synthesize and make decisions from disparate streams of information, and adapt to a changing environment. Against this backdrop, it is perhaps not surprising that com...
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ژورنال
عنوان ژورنال: Computers in Physics
سال: 1997
ISSN: 0894-1866
DOI: 10.1063/1.4822587