摘要： What is the “cache” used for in our implementation of forward propagation and backward propagation? [ ] It is used to cache the intermediate values of 阅读全文

摘要： 之前一章讲了 浅层神经网络,这一章讲的是深层神经网络 深层神经网络与浅层神经网络的区别是:隐藏层比浅层神经网络多,从命名规则上来说,有1,2,5个隐藏层的神经网络可以称为1 hidden layer,2 hidden layers,5 hidden layers 深层神经网络中的正向传播与之前举例的 阅读全文

摘要： Planar data classification with one hidden layer Welcome to your week 3 programming assignment. It's time to build your first neural network, which wi 阅读全文