Symmetric Matrices Courses
Georgia Institute of Technology via edX Advanced Matrix Theory and Linear Algebra for Engineers
NPTEL via YouTube Symmetric Matrices
YouTube Brief Series on Eigenvalue Inequalities
statisticsmatt via YouTube Linear Algebra
YouTube Matrices and Determinants Class XII 12th CBSE/ISC Maths
Neha Agrawal Mathematically Inclined via YouTube Mathematics
NIOS via YouTube Advanced Matrix Theory and Linear Algebra for Engineers
NIOS via YouTube