Special thanks to the following people and organizations for supporting the development of Octave: * The United States Department of Energy, through grant number DE-FG02-04ER25635. * Ashok Krishnamurthy, David Hudak, Juan Carlos Chaves, and Stanley C. Ahalt of the Ohio Supercomputer Center. * The National Science Foundation, through grant numbers CTS-0105360, CTS-9708497, CTS-9311420, CTS-8957123, and CNS-0540147. * The industrial members of the Texas-Wisconsin Modeling and Control Consortium (TWMCC) http://www.che.utexas.edu/twmcc. * The Paul A. Elfers Endowed Chair in Chemical Engineering at the University of Wisconsin-Madison. * Digital Equipment Corporation, for an equipment grant as part of their External Research Program. * Sun Microsystems, Inc., for an Academic Equipment grant. * International Business Machines, Inc., for providing equipment as part of a grant to the University of Texas College of Engineering. * Texaco Chemical Company, for providing funding to continue the development of this software. * The University of Texas College of Engineering, for providing a Challenge for Excellence Research Supplement, and for providing an Academic Development Funds grant. * The State of Texas, for providing funding through the Texas Advanced Technology Program under Grant No. 003658-078. * Noel Bell, Senior Engineer, Texaco Chemical Company, Austin Texas. * John A. Turner, Group Leader, Continuum Dynamics (CCS-2), Los Alamos National Laboratory, for registering the octave.org domain name. * James B. Rawlings, Professor, University of Wisconsin-Madison, Department of Chemical and Biological Engineering. * Richard Stallman.