14 Eigenvalues Give Variance

[@netheraxe4811]

Nice explanation, really well done. I have one question.: Given a real variance-covariance matrix, which of the following is true. A) it's eigenvalues can be +ve & -ve B) it is always non-singular C) it's eigenvectors are mutually orthogonal D) it's size depands both on image size & number of bands. (MSQ)

[@Hermanubis1]

Why say 5 year old wordds like 'cool fact' cmon, you're an adult with good explanations yet you resort to 'cool'