Why we need eigenvectors and eigenvalues
13640
What is the importance of eigenvalues/eigenvectors?
150619
Why do we need a diagonal matrix?
154667
Singular values of the data matrix and eigenvalues of the covariance matrix
59058
Eigen-Decomposition of Householder operator
6746
What is the Relationship between the Rank and the Number of Eigenvalues?
75592
What is the usefulness of matrices?
18939
Eigenvalues of the transpose
52260
Diagonalization and eigenvalues
34539
How to intuitively understand eigenvalue and eigenvector?
108132
How Do I Compute the Eigenvalues of a Small Matrix?
99384
What are the Complex (Non-Real) Eigenvectors of $3\times 3$ Rotation Matrices?
90576
Symmetric matrix eigenvalues
90089
Why are PCA eigenvectors orthogonal and what is the relation to the PCA scores being uncorrelated?
141456
Why is it important that a basis be orthonormal?
144097
eigenvalues and eigenvectors of $vv^T$
92455
Orthonormalization of non-hermitian matrix eigenvectors
95717
Same eigenvalues, but not similar