Finding eigenvalues of matrix.
129977
Prove that $\lambda_1^2$, $\lambda_1\lambda_2$ and $\lambda_2^2$ are eigenvalues of matrix $A$
126337
Eigenvalues in orthogonal matrices
125802
Why is EigenValues returning Root expressions?
154667
Singular values of the data matrix and eigenvalues of the covariance matrix
158264
Rotation of Matrices and their interpretation
30882
Proving Invertibility and Eigenvalues
24454
The relationship between the eigenvalues of matrices $XY$ and $YX$
44383
Finding rank of a matrix depending on parameter a
157246
Adjoint matrix eigenvalues and eigenvectors
105988
Find the uniform lower bound of the smallest eigenvalue of a certain matrix
53863
Making a non-diagonalizable matrix diagonalizable with an small perturbations
106024
The eigenvalues and corresponding eigenvectors for the matrix
54099
What are the eigenvalues of $\operatorname{ad}x$?
18939
Eigenvalues of the transpose
76477
Eigenvalues with transpose question.
136643
Continuity of eigenvalues and spectral radius for a general matrix
106288
Prove that the eigenvalues of a block matrix are the combined eigenvalues of its blocks