Symmetric Matrices

The sum of two symmetric matrices is a symmetric matrix. If we multiply a symmetric matrix by a scalar, the result will be a symmetric matrix.] If A and B are symmetric matrices then AB+BA is a symmetric matrix (thus symmetric matrices form a so-called Jordan algebra).

• Basic properties
• Symmetric and Skew-Symmetric Matrices
• Symmetric Matrix Properties
• symmetric and skew symmetric matrix
• https://www.youtube.com/watch?v=Ce8Z-7EujZE