File list (Check if you may need any files):
example1.m
example2.m
example3.m
README.txt
sum_product_toolbox\fn_cal_joint.m
...................\fn_cal_marg.m
...................\fn_check_msg_sent_f_to_x.m
...................\fn_check_msg_sent_x_to_f.m
...................\fn_marg_post.m
...................\fn_normalize.m
...................\fn_recurs_avg_bin_tree.m
...................\fn_send_msg_f_to_x.m
...................\fn_send_msg_x_to_f.m
...................\script_build_factor_graph.m
...................\script_sum_product_algorithm.m
sum_product_toolbox