神经网络参数初始化小结

optimizer 正向传播： a 3 = g ( W 13 × a 1 + W 23 × a 2 + b 1 ) a 4 = g ( W 14 × a 1 + W 24 × a 2 + b 2 ) a 5 = g ( W 35 × a 3 + W 45 × a 4 + b 3 ) a_3 = g(W_{13}\times a_1+W_{23}\times a_2+b_1)\\ a_4 = g(W

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