Significance of eigen values
13640
What is the importance of eigenvalues/eigenvectors?
70245
Why is the eigenvector in PCA taken to be unit norm?
149629
The Eigenvalues of a block matrix
124583
A question about eigenvalues of $5\times5$ matrix
140078
Interpretation of eigenvectors of Hessian in context of local min/max/saddle?
96811
How to find the eigenvalues of a block-diagonal matrix?
122166
Significance of $i$ in the Schrödinger equation
77388
Differentiation operator and eigenvalues
55377
Non-zero eigenvalues of $AA^T$ and $A^TA$
157246
Adjoint matrix eigenvalues and eigenvectors
88975
I need an intuitive explanation of eigenvalues and eigenvectors
116539
Eigenvalues of matrix satisfying $A^2 = A$
49158
Multiplicity of eigenvalues
95717
Same eigenvalues, but not similar
52260
Diagonalization and eigenvalues
126337
Eigenvalues in orthogonal matrices
9220
If $\lambda$ is an eigenvalue of $A^2$, then either $\sqrt{\lambda}$ or $-\sqrt{\lambda}$ is an eigenvalue of $A$