For the original ARPACK library included in rARPACK (<= 0.7-0), Copyright (c) 1996-2008 Rice University. Developed by D.C. Sorensen, R.B. Lehoucq, C. Yang, and K. Maschhoff. All rights reserved. For the modified version of ARPACK included in rARPACK (<= 0.7-0), i.e. arpack-ng, Copyright (c) 2001-2011 - Scilab Enterprises Updated by Allan Cornet, Sylvestre Ledru. Copyright (c) 2010 - Jordi Gutiérrez Hermoso (Octave patch) Copyright (c) 2007 - Sébastien Fabbro (gentoo patch)