Research Article

A Comparison of Benson’s Outer Approximation Algorithm with an Extended Version of Multiobjective Simplex Algorithm

Algorithm 2

Extended Multiobjective Simplex Algorithm.
(0)Input:
(1)Initialize:  ;
 Phase I: solve the LP min . If the optimal value of LP is not zero; STOP; . Otherwise, x0 is a basic feasible solution of MOLP.
 Phase II : solve the LP min . If it is infeasible STOP, . Otherwise, is an optimal solution. Find optimal basis B and basic feasible solution of LP min ; .
(2)whiledo
(3);
(4);
(5);
(6)
(7)  .
(8)  ;
(9)  
(10)   
(11)    ; then
(12)     ;
(13)     ;
(14)     ;
(15)      endif
(16)     endfor
(17)    endfor
(18)    endfor
(19)  endwhile
(20)Output: 
    .