คำศัพท์คณิตศาสตร์
Step 2 52 = {5} (note that node 3 has been removed in the backtracking step)
Step 3 k = 5 and as = Czs = 30. Label node 5 with [30,2]. Breakthrough has been achieved;
go to step 5.
Step 5 N3 = {I, 2, 5} and Cs = min {(X), 10, 30} = 10. The residuals along the path of N3 are