We will continue our discussion of optimization see - https://www.overleaf.com/read/zppqchcctnwf appendix A.1

Also added two exercises to the appendix. 

Guy presented the solution to exercise 2.3.1.   You can view the exercise here https://www.overleaf.com/read/zppqchcctnwf   Clicking on the exercise will get you to a notebook where you can run the solution.