QM PS#1 to be completed in your QM PSN by noon Sun. Feb. 5. All problems from Townsend, A Modern Approach to Quantum Mechanics, 2nd edition.

QM PS#1: 1.4, 1.5, 1.6. 1.7, 1.8, 1.9, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15

Notes:

• For 1.8, the discussion of fluctuations at the top of p. 17 could be helpful.
• For 1.9, |+x> should be understood to mean that the system is in the state |+x>.