UMFPACK Version 3.2, January 1, 2002. Copyright (c) 2002 by Timothy A. Davis, University of Florida, davis@cise.ufl.edu. All Rights Reserved. UMFPACK License: Your use or distribution of UMFPACK or any derivative code implies that you agree to this License. THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED OR IMPLIED. ANY USE IS AT YOUR OWN RISK. Permission is hereby granted to use or copy this program, provided that the Copyright, this License, and the Availability of the original version is retained on all copies. User documentation of any code that uses this code or any derivative code must cite the Copyright, this License, the Availability note, and "Used by permission." If this code or any derivative code is accessible from within MATLAB, then typing "help umfpack" must cite the Copyright, and "type umfpack" must also cite this License and the Availability note. Permission to modify the code and to distribute modified code is granted, provided the Copyright, this License, and the Availability note are retained, and a notice that the code was modified is included. This software was developed with support from the National Science Foundation, and is provided to you free of charge. Availability: http://www.cise.ufl.edu/research/sparse.