作者：子实
Andrew Ng在Coursera上的机器学习课程满分编程作业，使用MATLAB编写。
- Exercise 1 Linear Regression
- Exercise 2 Logistic Regression
- Exercise 3 Multi-class Classification and Neural Networks
- Exercise 4 Neural Network Learning
- Exercise 5 Regularized Linear Regression and Bias/Variance
- Exercise 6 Support Vector Machines
- Exercise 7 K-Means Clustering and PCA
- Exercise 8 Anomaly Detection and Recommender Systems