B = grad(A)
If one is given B z-hat
The Attempt at a Solution
What mathematical operation would I apply to solve this?
NoBy "one is given B z-hat" do you mean you are given only the z-component of grad A?
Then there are many solutions. For example, if we are given that the z-component of grad A, then A can be any function of x,y- as long as it has no dependence on z, the z-component of grad A is 0.