Normal matrix that isn't unitary
103460
Normal but not hermitian nor unitary
123366
Determinant of block matrices with non-square blocks
130016
How to decompose a unitary transform into two-level unitary matrices?
80623
Must $S$ be a unitary matrix?
34759
Name of a special matrix
56943
Normal operator with real spectrum is hermitian.
61373
A normal subgroup that is not a characteristic
137101
How do you normalize a zero vector
103194
How to change this matrix with respect to standard basis?
117808
A real nxn matrix always has a real eigenvalue when n is odd
136329
A matrix is similar to its transpose
602
How get eigenvectors without phase jump?
77942
Digonalizable Polynomial Matrix
81176
A normal matrix with real eigenvalues is Hermitian
57296
A non-diagonal $4\times4$ matrix such that $A^3=A^2=0$ and its rank is $2$
39353
Matrices that can only be permutation matrices
34399
Nonstandard normal distribution