Why reprex? Getting unstuck is hard. Your first step here is usually to create a reprex, or reproducible example. The goal of a reprex is to package your code, and information about your problem so that others can run it…
Start by writing ∇⋅B using Einstein summation notation. Anyway if you have progressed up to any point, just post it here, preferably using LaTex. May 16, 2016 #10 nrqed Science Advisor Homework Helper Gold Member 3,766 297 hellomynameisscottt said: I need to prove B.(...