▾ Set of symbols
▾ Alphabet
▾ Deduction system
▾ Theory
▾ Zermelo-Fraenkel set theory
▾ Set
▾ Binary cartesian set product
▾ Binary relation
▾ Map
▾ Countable map
▾ Array
▾ Matrix
▾ Complex matrix conjugate transpose
▾ Normal complex matrix
Normal real matrix
Formulation 0
A D6160: Real square matrix $A \in \mathbb{R}^{N \times N}$ is a normal real matrix if and only if \begin{equation} A^T A = A A^T \end{equation}