04_Linear_Regression_with_multiple_variables

04: Linear Regression with Multiple Variables

Previous Next Index

Linear regression with multiple features

New version of linear regression with multiple features
Gradient descent for multiple variables



Gradient Decent in practice: 1 Feature Scaling


Learning Rate α 
Make sure gradient descent is working
Features and polynomial regression
Normal equation

How does it work?
Example of normal equation


General case

          


When should you use gradient descent and when should you use feature scaling?
Normal equation and non-invertibility