I’m assuming that by solving the Schrodinger equation for the hydrogen atom, Daniel meant deriving the energy levels of a hydrogen atom from SE, as opposed to say providing the full basis of eigenfunctions including these for E > 0;
I had assumed something in between—deriving the energy levels, and the eigenfunctions for the levels with E < 0.
I had assumed something in between—deriving the energy levels, and the eigenfunctions for the levels with E < 0.