Machine Learning – Stanford -Week 3 – Overfitting and Regularization

by Fuyang

The following content is from Coursera Machine Learning course, taught by Andrwe Ng.

Overfitting

overfitting1overfitting2

 

Regularization

overfitting3overfitting4 - regularization1overfitting4 - regularization2

 

Gradient descent with regularizationoverfitting4 - regularization3overfitting4 - regularization4overfitting4 - regularization5

Regularization makes the matrix always invertable.overfitting4 - regularization6

Pop Quiz

overfitting4 - regularization-q1overfitting4 - regularization-q2overfitting4 - regularization-q3