摘要：
参考链接： https://www.cnblogs.com/shaokele/p/8807143.html https://www.cnblogs.com/weibo806/p/8085815.html https://www.jianshu.com/p/23b2bfc9a90d https://w 阅读全文
摘要：
Basics of Neural Network 1. Binary classification——logistic regression Logistic regression model: Problems: Given x, want $\hat{y}=P \left\{y=1|x\righ 阅读全文