Exploring Further Advantages in an Alternative Formulation for the Set Covering Problem

Algorithm 3

Heuristic operator for solution feasibility in ABC.

	initialize
	initialize
	for each row in increasing order of do
	find the first column in minimizing equation (23)-default or (24)-proposal
	add to
	set , and
	end for
	for each column in decreasing order of do
	ifthen
	set and
	end if
	end for
	return , which is a feasible SCP solution, without redundant columns