Homework for Commuting Matrices

  1. (Pauli) This short exercise introduces the terms “commutator” and “anticommutator”. The context is Pauli spin matrices. It can be used in conjunction with the homework problem (PauliPractice).

  2. (Commutator) This was intended to be a short exercise to encourage students to look at the geometric meaning of matrices that commute. We have only used it once and the (very sophisticated) TA spent forever on it, trying to explain what the matrices do. Use it at your own risk.

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