Sign in to answer this question.See Also MATLAB Answers I want to test whether a real symmetric matrix is singular. What is an appropriate threshold to test whether the smallest singul... 1 Answer Eigenvectors of A'*A for non-square matrix A 1 Answer How to get an ...
I need to compute serveral singular values (ones close to 0) of A and corresponding right singular vectors. This equivalents to compute eigenvalues of AA=A'*A and corresponding right eigenvectors. My code is as following Eigen::SparseMatrix<double> AA = A.transpose()*A; Spectra::SparseSymMa...
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Together with the corresponding unit eigenvectors (𝐯1,𝐯2,𝐯3v1,v2,v3), they form the three semi-axes of the ellipsoid 𝜆̃1𝐯1,𝜆̃2𝐯2,𝜆̃3𝐯3,λ˜1v1,λ˜2v2,λ˜3v3, (15) where 𝜆̃𝑖=2𝜆𝑖−−√λ˜i=2λi is the length of the...