% All M-files are copyrighted, 1993, by Richard Barrett, Michael Berry,
% Tony Chan, James Demmel, June Donato, Jack Dongarra, Victor Eijkhout,
% Roldan Pozo, Charles Romine, and Henk van der Vorst.
% These M-files are User Contributed Routines that have been contributed to
% The MathWorks, Inc. and which are being redistributed by The MathWorks, upon
% request, on an "as is" basis. A User Contributed Routine is not a product of
% The MathWorks and The MathWorks assumes no responsibility for any errors
% that may exist in the routines.
% The M-files were created to supplement "Templates for the Solution of
% Linear Systems: Building Blocks for Iterative Methods," by Richard Barrett,
% Michael Berry, Tony Chan, James Demmel, June Donato, Jack Dongarra,
% Victor Eijkhout, Roldan Pozo, Charles Romine, and Henk van der Vorst (SIAM, 1994).
% You are free to modify any of the files and create new functions, provided
% that you acknowledge the source in any publication and do not sell the modified file.
% The M-files have been created using MATLAB Version 4.0 and have been
% written and checked for use on The Student Edition of MATLAB, 1992.