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Algorithms and Architectures (Neural Network Systems - download pdf or read online

By Cornelius T. Leondes

ISBN-10: 0080498981

ISBN-13: 9780080498980

ISBN-10: 012443861X

ISBN-13: 9780124438613

This quantity is the 1st various and complete remedy of algorithms and architectures for the conclusion of neural community platforms. It offers ideas and various equipment in several parts of this large topic. The publication covers significant neural community structures buildings for attaining powerful platforms, and illustrates them with examples. This quantity comprises Radial foundation functionality networks, the Expand-and-Truncate studying set of rules for the synthesis of Three-Layer Threshold Networks, weight initialization, speedy and effective versions of Hamming and Hopfield neural networks, discrete time synchronous multilevel neural platforms with decreased VLSI calls for, probabilistic layout thoughts, time-based strategies, suggestions for lowering actual recognition standards, and purposes to finite constraint difficulties. a distinct and finished reference for a wide array of algorithms and architectures, this publication could be of use to practitioners, researchers, and scholars in commercial, production, electric, and mechanical engineering, in addition to in laptop technology and engineering. Key positive factors* Radial foundation functionality networks* The Expand-and-Truncate studying set of rules for the synthesis of Three-Layer Threshold Networks* Weight initialization* quick and effective variations of Hamming and Hopfield neural networks* Discrete time synchronous multilevel neural structures with diminished VLSI calls for* Probabilistic layout innovations* Time-based options* concepts for decreasing actual awareness standards* purposes to finite constraint difficulties* sensible recognition tools for Hebbian style associative reminiscence platforms* Parallel self-organizing hierarchical neural community platforms* Dynamics of networks of organic neurons for usage in computational neurosciencePractitioners, researchers, and scholars in commercial, production, electric, and mechanical engineering, in addition to in machine technology and engineering, will locate this quantity a distinct and complete connection with a vast array of algorithms and architectures

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Extra info for Algorithms and Architectures (Neural Network Systems Techniques and Applications)

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Freeman et at. error for an identical student when the parameters of the true teacher are known; this knowledge permits optimal regularization. The most significant effect of the teacher being more powerful than the student is the fact that the approximation error is no longer zero, because the teacher can never be exactly emulated by the student. This is illustrated in Fig. 10, where the dot-dash curve represents the learning curve when the student matches the teacher (and has a zero asymptote), whereas the two upper curves show an underpowerful student and have nonzero asymptotes.

Several remarks about the foregoing analysis of strictly linear models are worth noting. First, (6) is valid no matter what type of function the {sb}§=i represent. For example, they could be polynomial, trigonometric, logistic, or radial, as long as they are fixed and the only adaptable parameters are the network weights. Second, the least squares principle which led to (6) can be justified by maximum likelihood arguments, as covered in most statistics texts on estimation [6] or regression [7].

H ( Z ^ ^ , (22) where ED is the training error on the data and ZD is a normalization constant. This form resembles a Gibbs distribution over weight space. It also corresponds to imposing the constraint that minimization of the training error is equivalent to maximizing the likelihood of the data [34]. The quantity ^ is a hyperparameter, controlling the importance of minimizing the error on the training set. This distribution can be realized practically by employing the Langevin training algorithm, which is simply the gradient descent algorithm with an appropriate noise term added to the weights at each update [35].

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Algorithms and Architectures (Neural Network Systems Techniques and Applications) by Cornelius T. Leondes

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