Definition:Symmetric Matrix

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Definition

Let $\mathbf A$ be a square matrix over a set $S$.


$\mathbf A$ is symmetric if and only if:

$\mathbf A = \mathbf A^\intercal$

where $\mathbf A^\intercal$ is the transpose of $\mathbf A$.


Also see

  • Results about symmetric matrices can be found here.


Sources