神经网络向量化

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% 正向传导的向量化实现
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% 正向传播的向量化实现
z2 = W1 * x + repmat(b1,1,m);
z2 = W1 * x + repmat(b1,1,m);
a2 = f(z2);
a2 = f(z2);

Revision as of 14:16, 16 March 2013

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