【学习笔记】WEEK3_Shallow Neural Network_Computing a Neural Network's Output
2018-04-03 16:32
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1、一个神经元里进行两步运算
1）z =
2）a = sigmoid(z)
2、向量化
Z-[1] = W-[1].T * X + b-[1] #np.transpose()、np.dot(,)
3、2层神经网络的计算过程与各层矩阵的维数
4、（无随堂测验）
1）z =
2）a = sigmoid(z)
2、向量化
Z-[1] = W-[1].T * X + b-[1] #np.transpose()、np.dot(,)
3、2层神经网络的计算过程与各层矩阵的维数
4、（无随堂测验）
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