6. Covectors and the Metric (General Relativity)

Lecture 6 on General Relativity. This lecture covers: (1) covectors as operators on vectors; (2) the differential of a function; (3) the metric and the inner product between vectors; and (4) converting vectors and covectors by raising and lowering indices. Lecture slides with corrections can be found at: https://physicsunsimplified.com/