请输入您要查询的字词:
单词
back propagation,BP
释义
back propagation,BP
Encyclopedia
理学
神经网络学习
释
back propagation,BP
反向传播
基于梯度下降(gradient descent)策略,以目标的负梯度方向对参数进行调整的算法。由哈佛大学的P.韦尔博斯(Paul Werbos)于1974年首次提出。由于当时处于神经网络冰河期,此方法并未受到重视,1986年鲁梅尔哈特(Rumelhart)等人重新发明了BP算法,并由此掀起了神经网络的第二次热潮。BP算法是多层网络训练算法中最杰出的代表,同时它也是迄今为止最成功的神经网络学习方法。又称误差逆传播(error backpropagation)。
随便看
notes
Notes and Commentary on Ancient Texts about Meridians
Notes and Comments on the Vairochana Sutra
notes financing
notes for the title
Notes from Longchuan
Notes from the Jieyin Studio
Notes from Three Government Departments
Notes from Underground
notes of collation
Notes of Daguan Period
Notes of Dunhuang Fu
Notes of History
Notes of Ket Drum
Notes of Laoxue'an Studio
Notes of Plants in Pingquan Estate
Notes of the Sixth Inkstone Room
Notes of the Thatched Abode of Close Observations
Notes of the Whole Tang and Five Dynasties
Notes of Wang Fanzhi's Poems
Notes on 108 Scenes of the Grand Old Summer Palace
Notes on Calligraphy
Notes on Collection of Yunshi Studio
Notes on Eastern and Western Oceans
Notes on Liao Dynasty Poetries
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/12/16 14:13:37