Why are the singular values of a standardized data matrix not equal to the eigenvalues of its correlation matrix?
7603
Relationship between SVD and PCA. How to use SVD to perform PCA?
3089
Why PCA of data by means of SVD of the data?
70245
Why is the eigenvector in PCA taken to be unit norm?
130914
Why do elementary row operations preserve linear dependence between matrix columns?
51682
Covariance matrix explanation
24454
The relationship between the eigenvalues of matrices $XY$ and $YX$
93531
Do commuting matrices share the same eigenvectors?
127799
Eigenvalues of symmetric matrices are real without (!) complex numbers
156868
Why is finding $M$ eigenvectors on smaller matrix valid?
141628
How did the equation $|A- \lambda I| = 0$ came for finding Eigen values of a Matrix
65628
what happens to rank of matrices when singular matrix multiply by non-singular matrix??
39112
Does a correlation matrix of two variables always have the same eigenvectors?
92744
These two operators commute...but their eigenvectors aren't all the same. Why?
130286
Problem with Singular Value Decomposition
68608
Why do row equivalent matrices have the same row space?
52246
Is it possible Fisher information matrix be indefinite?
54386
What is the relationship between the spectrum of a matrix and its image under a polynomial function?