博客内容取材于:http://www.cnblogs.com/tornadomeet/archive/2012/06/24/2560261.html
Deep learning:六(regularized logistic回归练习) Deep learning:五(regularized线性回归练习) Deep learning:四(logistic regression练习) Deep learning:三(Multivariance Linear Regression练习) Deep learning:二(linear regression练习)