I am working on the Andrew Ng's course on Machine Learing. I have a question on the week2 session.

Is there anybody can tell me why there is a 1/2m in front of the cost function.

作者：小郝
出处：http://www.cnblogs.com/haokaibo/
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。