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Andrew-Coursera-DL课程-笔记part1-2(Shallow neural networks)

2017-10-06 13:26 846 查看
Neural Networks Overview

Neural Network Representation





Computing a Neural Network’s output

Vectorizing acorss multiple examples





Explanation for Vectorized Implementation

Activation functions





Why do you need non-linear activation functions

Derivatives of activation functions

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Gradient descent for Neural Networks







*号在这里表示 element product

Backpropagation intuition

Random Initialization
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