Convex Optimization (CMU) : http://www.stat.cmu.edu/~ryantibs/convexopt/
Linear Algebra (CMU) : http://www.cs.cmu.edu/~zkolter/course/linalg/definiteness_and_quadratic_forms.htmlÂ
Deep RL (UC Berkeley) : http://rail.eecs.berkeley.edu/deeprlcourse/