用反向传导思想求导
From Ufldl
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==中英文对照== | ==中英文对照== | ||
+ | |||
+ | :反向传导 backpropagation | ||
+ | :稀疏编码 sparse coding | ||
+ | :权重矩阵 weight matrix | ||
+ | :目标函数 objective | ||
+ | :平滑地形L1稀疏罚函数 Smoothed topographic L1 sparsity penalty | ||
+ | :重建代价 reconstruction cost | ||
+ | :稀疏自编码器 sparse autoencoder | ||
+ | :梯度 gradient | ||
+ | :神经网络 neural network | ||
+ | :神经元 neuron | ||
+ | :激励 activation | ||
+ | :激励函数 activation function | ||
+ | :独立成分分析 independent component analysis | ||
+ | :单位激励函数 identity activation function | ||
+ | :平方函数 square function | ||
+ | :分组矩阵 grouping matrix | ||
+ | :特征矩阵 feature matrix | ||