pdf: http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2019/Lecture_notes/20190214.pdf
video: http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2019/Videos/20190214.mp4
files:
http://www.ipt.ntnu.no/~stanko/files/Courses/TPG4230/2019/Exercises/Set_3/