I believe it is also called "einstein notation"?
The "notation-thingy" using kronecker delta, levi-civita and etc to simplify expressions with div, grad, curl (i took the course in my native language so i am not entirely sure what the notation or technique is called in english).
Looking to get...
So we are to choose electives (this is all undergrad) for the spring in about a month or so, and i am having doubts if i might end up taking one "math heavy" or "concept heavy" course too many.
My uni splits one semester into two periods, meaning the spring semester is based on two periods...
For me it was something as trivial as a conceptual example of newtons third law, the astronaut creating momentum by tossing a wrench, that gave me an eyeopener for the subject.
What ignited your spark?