- #1

Karthiksrao

- 68

- 0

This has been bothering me for a while now.. The scalar wave equation is a 2nd order differential equation. So we would expect two independent solutions for it.

However when you try to find the solution of the scalar wave equation (in spherical coordinates) by employing the separation of variables we would end up getting a series summation to infinite terms of (legendre polynomials)*(bessels)*(Trigonometric ) functions.

How do you find the *two* independent solutions from this infinite summation series ?

Thanks