function C = GAproduct(M,N)%GAproduct(M,N): Take the geometric product of two multivectors.%%See also gable.% GABLE, Copyright (c) 1999, University of Amsterdam% Copying, use and development for non-commercial purposes permitted.%          All rights for commercial use reserved; for more information%          contact Leo Dorst (leo@wins.uva.nl).%%          This software is unsupported.    C=GA([M*N;0;0;0;0;0;0;0]);