Video:
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2017/Videos/20170302.mp4
Pdf notes:
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2017/Notes/20170302.pdf
Excel files
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2017/Exercises/Exercise_03/Problem_2.xls