% 
% Written by:
% -- 
% John L. Weatherwax                2005-08-04
% 
% email: wax@alum.mit.edu
% 
% Please send comments and especially bug reports to the
% above email address.
% 
% Epage 
% 
%-----

b_1 = [ 1, 2, 1 ];
b_2 = [-1, 0, 1 ];
b_3 = [-1, 2, -1];

% compute the local transformation matrices suggested in the book:
b_1' * b_1
b_1' * b_2
b_1' * b_3

b_2' * b_1
b_2' * b_2
b_2' * b_3

b_3' * b_1
b_3' * b_2
b_3' * b_3