If you are truly stuck, look at the first two lines of the solution. Often, seeing the initial setup—like the specific Hamiltonian used—is enough to spark the rest of the derivation in your own mind. 3. Dimensional Analysis
Before diving into the solutions, it’s worth noting why this book is so widely used. Liboff balances the "old" quantum theory with modern applications. Key features include: If you are truly stuck, look at the
Learning how to approach a problem (e.g., when to use separation of variables). Never look at the solution immediately
Never look at the solution immediately. Wrestle with the problem for at least ten to twenty minutes. Try different identities, check your boundary conditions, and re-read the relevant section in the chapter. 2. Reverse Engineering check your boundary conditions
It doesn’t shy away from the necessary linear algebra and differential equations.
Confirming that your derivation of a wave function is correct.