# Week 2

[edit]

**Objective functions, gradient descent and matrix factorization** [PDF Lecture slides][Jupyter Lecture slides]

## Lab Class

The notebook for the lab class can be downloaded from here.

To obtain the lab class in jupyter notebook, first open the jupyter notebook. Then paste the following code into the ipython notebook

You should now be able to find the lab class by clicking `File->Open`

on
the jupyter notebook menu.