New posts in Symmetric Matrices

What is wrong with this proof that symmetric matrices commute?

How to solve $A^{\frac 12} B A^{\frac 12} = C$ for $A$?

Analyze the symmetric property of positive definite matrices

Determining if a symmetric matrix is positive definite

Why is the maximum Rayleigh quotient equal to the maximum eigenvalue?

What is the largest eigenvalue of the following matrix?

Are positive definite matrices robust to "small changes"?

Why is the determinant of the all one matrix minus the identity matrix n-1?

Inverse of a symmetric positive definite matrix

Can the product of two nonsymmetric matrices be symmetric?