▾ Set of symbols
▾ Alphabet
▾ Deduction system
▾ Theory
▾ Zermelo-Fraenkel set theory
▾ Set
▾ Binary cartesian set product
▾ Binary relation
▾ Map
▾ Countable map
▾ Array
▾ Matrix
▾ Matrix transpose
▾ Symmetric matrix
▾ Symmetric complex matrix
Symmetric real matrix
Formulation 0
A D6160: Real square matrix $A \in \mathbb{R}^{N \times N}$ is symmetric if and only if \begin{equation} A^T = A \end{equation}
Results
» R5594: Positive definite real matrix need not be symmetric