摘要:
源码:https://github.com/cheesezhe/Coursera-Machine-Learning-Exercise/tree/master/ex5Introduction:In this exercise, you will implement regularized linear... 阅读全文
摘要:
1. Feedforward and cost function;2.Regularized cost function:3.Sigmoid gradientThe gradient for the sigmoid function can be computed as:where:4.Random... 阅读全文