Determine eigenvalue pairs.
120687
If the sum of eigenvectors is an eigenvector, then they all correspond to the same eigenvalue
112900
Eigenvalue of a polynomial evaluated in a operator
13971
find spectrum matrix A
86721
Find the eigenvalues of a matrix with ones in the diagonal, and all the other elements equal
146293
Calculating the eigenvalues of a matrix
151088
Finding Matrix A from Eigenvalues and Eigenvectors (Diagonalization)
56083
Find the eigenvalues of a projection operator
37836
Generalized eigenvectors in MATLAB?
45626
How do I calculate the eigenvalues of the positive partial transpose of this two-qubit state?
95717
Same eigenvalues, but not similar
137455
How to figure out the spectral radius of this matrix
6514
Prove $T$ has at most two distinct eigenvalues
30882
Proving Invertibility and Eigenvalues
154666
similar matrices have same eigenvalue... stuck
34539
How to intuitively understand eigenvalue and eigenvector?
78265
Diagonalizable matrix with parameters
55377
Non-zero eigenvalues of $AA^T$ and $A^TA$