Let V be finite-dimensional and let T € L(V). Prove that T is normal if and only if with respect to any orthonormal basis B of V, the matrix of T, A = [T]B, satisfies AA* = A*A.

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Chapter2: Second-order Linear Odes
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Let V be finite-dimensional and let TE L(V). Prove that T is normal if
and only if with respect to any orthonormal basis B of V, the matrix of T, A = [T]B,
satisfies
AA* = A*A.
Transcribed Image Text:Let V be finite-dimensional and let TE L(V). Prove that T is normal if and only if with respect to any orthonormal basis B of V, the matrix of T, A = [T]B, satisfies AA* = A*A.
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