Does the sign of eigenvectors matter?
89237
PCA: Eigenvectors of opposite sign and not being able to compute eigenvectors with `solve` in R
21885
Why is the determinant useful when finding eigenvectors?
24814
Is PCA still done via the eigendecomposition of the covariance matrix when dimensionality is larger than the number of observations?
22251
Coefficients change signs
145342
Why do the eigenvectors for two similar matrixes differ by a large amount
45527
Do real matrices always have real eigenvalues?
144097
eigenvalues and eigenvectors of $vv^T$
134981
Eigenvalues of $L^\dagger L$ are positive
114208
Does non-symmetric positive definite matrix have positive eigenvalues?
133568
Is it possible to have a basis for a covariance matrix such that the greatest variance is greater than the variance of the first eigenvector?
153127
Is $U=V$ in the SVD of a symmetric positive semidefinite matrix?
146316
what is no. of positive eigen value of symmetric matrix A with some given relationship
149629
The Eigenvalues of a block matrix
102317
Is there a geometrical interpretation to the notion of eigenvector and eigenvalues?
59402
Comparing Eigenvalues of Positive Semidefinite Matrices
68132
Small positive eigenvalues found for a negative definite matrix
49704
The algebraic solution and numerical solutions for eigenvectors are different. Why?