Does symmetry of a matrix imply orthogonally diagonalizable?
18012
Eigenvectors of real symmetric matrices are orthogonal
78265
Diagonalizable matrix with parameters
66092
Simultaneous diagonalization of commuting linear transformations
24441
Inverse of a matrix is expressible as a polynomial?
111769
Why is inverse of orthogonal matrix is its transpose?
64747
If $A^m=I$ then A is Diagonalizable
22222
Properties of zero-diagonal symmetric matrices
72541
Is the matrix diagonalizable for all values of t?
125195
If matrix A is invertible, is it diagonalizable as well?
19649
A question about the proof of "a symmetric matrix has real eigenvalues".
73027
Questions on symmetric matrices
53863
Making a non-diagonalizable matrix diagonalizable with an small perturbations
158724
Show that $B$ is diagonalizable if If $AB=BA$ and $A$ has distinct real eigenvalues
124095
$A$ is a real orthogonal matrix, prove that $ (I+A)^{-1}(I-A)$ is skew-symmetric
30665
Elegant proofs that similar matrices have the same characteristic polynomial?
111911
Dimensions of symmetric and skew-symmetric matrices
117175
Proof that the 2-norm of orthogonal transformation of a matrix is invariant