- #1
Jamin2112
- 986
- 12
Homework Statement
The lecture notes say that ∇ = urr + (1/r)ur + (1/r2)uθθ. I'm not sure how this comes about. The notes never explain it.
Homework Equations
(?)
The Attempt at a Solution
No attempts on the actual homework problem until this ∇ thing is cleared up.