Non-diagonal matrix with eigenvalues equal to its diagonal entries
40222
Matrices that are not diagonal or triangular, whose eigenvalues are the diagonal elements
135420
Determining eigenvalues, eigenvectors of $A\in \mathbb{R}^{n\times n}(n\geq 2)$.
116539
Eigenvalues of matrix satisfying $A^2 = A$
52260
Diagonalization and eigenvalues
22222
Properties of zero-diagonal symmetric matrices
96811
How to find the eigenvalues of a block-diagonal matrix?
103537
How to diagonalize this matrix...
89047
If a matrix is triangular, is there a quicker way to tell if it is can be diagonalized?
123803
If $X^n$ is a diagonal matrix with distinct eigenvalues, then is $X$ also a diagonal matrix with distinct eigenvalues?
56727
Odd-dimensional complex skew-symmetric matrix has eigenvalue $0$
18939
Eigenvalues of the transpose
44652
Minimum and Maximum eigenvalue inequality from a positive definite matrix.
86940
Proving an inequality in Eigenvalues of a matrix
16439
What are the eigenvalues of matrix that have all elements equal 1?
154666
similar matrices have same eigenvalue... stuck
126337
Eigenvalues in orthogonal matrices
994
Linear independence of vectors that form non-square matrix