49:52 duration 49 minutes 52 seconds
L2 Lecture 4 (edited from L1 Lecture 4 in Fall…
L2 Lecture 4 (edited from L1 Lecture 4 in Fall 2017)
From Yuk Tung Liu
01:10:37 duration 1 hour 10 minutes
L2 Lecture 3 (2018/01/23)
01:09:05 duration 1 hour 9 minutes
L2 Lecture 2 (2018/1/18)
01:09:12 duration 1 hour 9 minutes
L2 Lecture 1 (2018/01/16)