How would one go about showing that $$A= \begin{bmatrix} 1 & 1 \\ 1 & 2 \end{bmatrix} $$
is self adjoint? Appreciate any help!
2026-03-29 22:26:50.1774823210
Showing that an operator is self adjoint.
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Self adjoint means: $A=A^T$. $A$ is symmetric.