Find all eigenvalues of the n-order square matrix $A$ in complex number whose all entries equal 1
2271
Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix
111550
Let $A$ be a square complex matrix of size $n$ then $\langle Ax,x\rangle=0$ for $\forall x \in \Bbb C^n$ $\iff A=0$
108132
How Do I Compute the Eigenvalues of a Small Matrix?
18282
Finding the minimal polynomial, the eigenvalues, and the characteristic polynomial of $T(A)=A+A^t$
5058
Eigenvalues of the rank one matrix $uv^T$
54118
Proving Eigenvalue squared is Eigenvalue of $A^2$
44632
eigenvalues of symbolic Hermitian 3X3 matrix
121253
Prove that any complex matrix can be expressed in term of Hermitian and anti-Hermitian matrices
149923
eigenvalues of A - aI in terms of eigenvalues of A
76477
Eigenvalues with transpose question.
123679
General Information about Eigenvalues for an 3x3 symmetric matrix
94424
Matrices and Eigenvalues of Norm
117808
A real nxn matrix always has a real eigenvalue when n is odd
151088
Finding Matrix A from Eigenvalues and Eigenvectors (Diagonalization)
149086
Determining $\mbox{tr}(A)$ and $\det(A)$ as functions of the eigenvalues of a matrix
127799
Eigenvalues of symmetric matrices are real without (!) complex numbers
56083
Find the eigenvalues of a projection operator