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Hi

Is it correct that when I have a unitary 3x3 matrixU, then

|U_{n,1}|^{2}+|U_{n,2}|^{2}+|U_{n,3}|^{2}=|U_{1,n}|^{2}+|U_{2,n}|^{2}+|U_{3,n}|^{2},

since U^{H}=U? Here n denotes some integer between 1 and 3.

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# Homework Help: Unitary matrices

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