Past exam of the mathematics course of the University of Cambridge / 2023 / ia / Paper 1 / 2C / Solution

The Hermitian conjugate is $A^{†}={\overline{A}}^{,T}$. A matrix is unitary when $A^{†}A=A{A}^{†}=I$, and Hermitian when $A^{†}=A$.

Solved by gpt-5.6-sol high.