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
mathematical treatment
mathematical truth
mathematical typography
mathematical uncertainty principle
mathematical viewpoint
mathematician
Mathematician Biography
Mathematicians Liberation
mathematicism
mathematic method of differential
mathematic model
mathematics
mathematics competition
mathematics contest
mathematics education
mathematics in 19th century
mathematics in ancient Greece
Mathematics in Nine Chapters
mathematics on rail
mathematics problem
mathematics school
mathematic statistical method
mathematization
mathematization of phenomena
Mather
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:2026/7/15 21:34:49