Machine Learning, Linear Algebra.
eigenvectors of A by their corresponding eigenvalues which means that B = QΛ. Therefore AQ = QΛ. Since Q is a square matrix (which is also orthogonal) then it has an inverse Q⁻¹. Thus by multiplying both sides by Q⁻¹, we get A = QΛQ⁻¹ Q : n x n matrix of eigenvectors of A Λ : diagonal matrix of