I'm reminded of this professor explaining the gradient geometrically and how it leads to really elegant solutions to some problems: https://www.youtube.com/watc

I'm reminded of this professor explaining the gradient geometrically and how it leads to really elegant solutions to some problems: https://www.youtube.com/watch?v=uP8V-O8hncI https://www.youtube.com/watch?v=uP8V-O8hncI