It's actually pretty simple if you change the coordinates and can figure out the Jacobian to put in. Don't bother working it without changing coordinates... I was just throwing it out as an example of calculus.

Are you still taking math classes, Titus? I think after Cal 3, I just have to take DiffEQ, Linear Algebra, and any 4000 level math I want (which will net me a minor in Math).

What is it they say about silence being golden?