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
the engraving of books in the Ming Dynasty
the engraving of books in the Qing Dynasty
the engraving of books in the Song Dynasty
the engraving of books in the Yuan Dynasty
The Enlarged Conference of the Central Party Headquarters of the Chinese Nationalist Party
The Enlightenment literature
The Enron Scandal
The Enslaved Herders in Northern Dynasties
the enslaving education in the Japanese ruling area
The Enthronement Imperial Edict of Second Emperor of Qin Dynasty
The Entomological Society of China
The Environmental and Resource Protsction Committee of the National People's Congress
the environmental behaviors of rodenticides
the environmental impacts of mega construction project
the environmental nutrition of aquatic animal
The Envoy's Journey in Song Dynasty
The Eolian Harp
The Epicenter is in the Hearts of the People
the epidemic intensity of disease
the epigenetic mark
The Equation of Love and Death
the equation of Young and Laplace
the equations of front secondary circulation
the Erlangen School
The Esoterica of Master Dou
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:2026/1/14 12:07:19