Download e-book for iPad: Computational Neural Networks for Geophysical Data by M. M. Poulton

By M. M. Poulton

ISBN-10: 0008043981

ISBN-13: 9780008043988

This publication used to be basically written for an viewers that has heard approximately neural networks or has had a few event with the algorithms, yet want to achieve a deeper knowing of the elemental fabric. for those who have already got a superb grab of ways to create a neural community software, this paintings grants a variety of examples of nuances in community layout, information set layout, trying out approach, and blunder analysis.Computational, instead of man made, modifiers are used for neural networks during this booklet to make a contrast among networks which are carried out in and those who are carried out in software program. The time period man made neural community covers any implementation that's inorganic and is the main basic time period. Computational neural networks are just carried out in software program yet symbolize nearly all of applications.While this ebook can't offer a blue print for each feasible geophysics program, it does define a simple process that has been used effectively

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Extra resources for Computational Neural Networks for Geophysical Data Processing

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The class boundaries are drawn as straight lines to help separate the points on the plot. The classes have been assigned a binary code that can be used for network training. 1 with two input values representing x- and y-coordinate values and five output values representing five possible classes for the input data points. The output coding is referred to as "l-of-n" coding since only one bit is active for any pattern. Together one input pattern and output pattern constitute one training pattern in the training set.

They learn. They generalize. They can become paralyzed. They can become over specialized. The vocabulary is very qualitative for a fundamentally quantitative technique. But the vocabulary also serves to distinguish computational neural networks from mathematical algorithms such as regression or from statistical techniques and reinforces the biological and psychological foundation of the field. 1). The PE is the basic computational unit in a network and is classified according to its role in the network.

A p r u n i n g strategy means that PEs are selectively disconnected from each other. An interconnected strategy means that PEs within a layer are connected to each other. e. winner take all strategy) with each other so that only one can be active or they can cooperate so that several are active. Networks can be heteroassociative when the output pattern vector is different from the input. The network is autoassociative if the input and output pattern vectors are the same. Autoassociative networks are useful for pattern completion and for compression.

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Computational Neural Networks for Geophysical Data Processing by M. M. Poulton

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