Video:
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2017/Videos/20170328.mp4
Pdf notes:
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2017/Notes/20170328.pdf
Exercise
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2017/Class_files/20170328/