Decomposition-Based Multiobjective Optimization with Invasive Weed Colonies

Algorithm 2

MOEA/D-IWO.

 Input: : population size;

   : the number of neighbors for each weight vector, ;

   : a set of evenly distributed weight vectors;

 Output: Pareto solutions on the objective space:

1 Initialization:

2   are randomly sampled from , ;

3  foreach to do ;   /  are the    closest weight vectors to  /

4  reference point .           //

5 while stop criteria are not met do

6  for to do

7   IWO;

8   IWO;

9                      /  is selected from  /

10   foreach   do

11     if then

12     Repair;

13    end

14    foreach to do

15     if then

16      ;

17     end

18    end

19    foreach do

20     if then

21      ;

22      ;

23     end

24    end

25   end

26  end

27 end