Loss of orthogonality of DPTEQR (SVD), DSTEDC (DC), and DSTEQR (QR) in LAPACK 3.5.0 for the BCS structural engineering stiffness matrices in the Harwell-Boeing collection with less than 5000 degrees of freedom.
20141228-ortho-practical
Loss of orthogonality of DPTEQR (SVD), DSTEDC (DC), and DSTEQR (QR) in LAPACK 3.5.0 for the BCS structural engineering stiffness matrices in the Harwell-Boeing collection with less than 5000 degrees of freedom.