Diagonalize the 2 by 2 skew-Hermitian matrix K = i i i i , whose entries are all 1
Chapter 5, Problem 5.5.20(choose chapter or problem)
Diagonalize the 2 by 2 skew-Hermitian matrix K = i i i i , whose entries are all 1. Compute e Kt = SetS 1 , and verify that e Kt is unitary. What is the derivative of e Kt at t = 0?
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