| 词汇 | example_english_gradient-descent |
| 释义 | gradient descentcollocation in Englishmeanings of gradientand descentThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with descent or gradient. gradient noun[C] uk /ˈɡreɪ.di.ənt/ us /ˈɡreɪ.di.ənt/ how steep a ... See more at gradient descent noun uk /dɪˈsent/ us /dɪˈsent/ the state or fact of being related to a particular person or group of people who lived in ... See more at descent Examples of gradient descentThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. A gradientdescent, whatever the starting point, computes in real-time the least dangerous trajectory. Structures produced by learning are compared against those found by a standard gradientdescent optimization, both as individual modules and then as a composite structure. In such cases, the use of the standard gradientdescent method will result in poor performance. We take backpropagation as representative of gradientdescent algorithms, themselves a method of achieving error-driven learning. Chapters 4 and 5 move on to training algorithms and related issues, detailing the perceptron and progressing on to gradientdescent. Also, gradientdescent methods tend to complete their tasks slowly, as many "unnecessary" controls are generated. A gradientdescent, from any starting point can be computed in realtime. In contrast to these models, training occurs by appending instances to memory rather than by applying a learning algorithm like the gradientdescent optimization procedure. The connection weights between the neurons of adjacent layers are modified repeatedly based on the gradientdescent optimization criteria to minimize the above squared error. One of the algorithms suggested as an alternative to switch to in the above is gradientdescent. The figure also indicates that the gradientdescent method has better performance in terms of reducing errors. The features, however, may also be the raw pixel intensities or even labels produced by a method such as template matching or gradientdescent, thereby yielding a hybrid strategy. The momentum term reduces the effects of the local minima of the error surface and accelerates the gradientdescent to the global minimum of the error surface. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Want to learn more? Go to the definition of gradient Go to the definition of descent See other collocations with descent See other collocations with gradient |
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