通过重量排列训练的神经网络是普遍的近似器
Yongqiang Cai1, Gaohang Chen2, Zhonghua Qiao3
1School of Mathematical Sciences, Laboratory of Mathematics and Complex Systems, MOE, Beijing Normal University, Beijing, 100875, China.
概括
转换训练提供了一种新的方式来训练神经网络而不改变权重,理论上保证了连续函数的近似性. 这种方法在回归任务中显示出效率,为网络学习提供了新的见解.
科学领域:
- 人工智能的人工智能
- 机器学习 机器学习
- 神经网络的神经网络的神经网络
背景情况:
- 通用近似属性是神经网络成功的关键,通常通过不受约束的参数训练来实现.
- 最近的实验工作引入了基于变换的训练,在不修改确切的重量值的情况下实现分类性能.
研究的目的:
- 为了为变换训练方法提供理论上的保证.
- 证明其在指导 ReLU 网络的功能近似方面的能力.
主要方法:
- 理论分析证明了对一维连续函数的变换训练的近似能力.
- 对回归任务进行数值实验,并进行多种初始化,以验证方法的效率.
主要成果:
- 理论证明证实了换训练可以引导 ReLU 网络近似一维连续函数.
- 在各种初始化中对该方法在回归任务中的效率进行实证验证.
- 观察表明换训练是理解网络学习行为的工具.
结论:
- 转换培训为与ReLU网络相近连续函数提供了理论基础.
- 该方法对回归任务有效,并为神经网络学习动态提供了新的见解.
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