Mind competely blown at 22 minutes! Wow! I wish I had been exposed to linear algebra so much earlier in life. Thank you for taking the time to really hammer home the "WHY" in your videos! It's what makes the "ah HA" moments possible!
Lol after watching the written version of this explanation in your video I was concerned that I was getting lost, but the problem in the 2nd half of the video was awesome seeing how all this tied together...well done Professor B!
Thank you so much, i never found the university classes useful, with your video i was able to understand all the homeworks!! you are saving livess. a legend!!
Is a) and b) of invertibility not simply explaining why Gauss Jordan's method works? All the arithmetic makes these concepts seem far more complicated than they are. It too blew my mind when I found out all you have to do is multiply a matrix by the identity, row reduce, and boom. Matrix inverse found! Iff ofc, det A does not equal 0.