Symmetric Matrix

A matrix in the form $M_{a\times a}(R)$.

• $a_{ij}=a_{ji}$

\left[\begin{array}{cc} a & b \\ c & d \\ \end{array}\right] : a,b,c,d \in R, b = c\}$$ # Types - [[Trace Zero Matrices]] # Contrast - [[Skew Symmetric Matrix]]