LINPACK Users' Guide
Jack J. Dongarra, C Moler, James R. Bunch, G. W. Stewart · Society for Industrial and Applied Mathematics eBooks · 1979
General matrices Band matrices Positive definite matrices Positive definite band matrices Symmetric Indefinite Matrices Triangular matrices Tridiagonal matrices The Cholesky decomposition The QR decomposition Updating QR and Cholesky decompositions The singular value decomposition References Basic linear algebra subprograms Timing data Program listings BLA Listings.