Page 78 - IJOCTA-15-2
P. 78

Hybridizing biogeography-based optimization and integer programming for solving the travelling tournament ...
















































































                                              Figure 3. The migration process

            the best-known solution. Here, NBins represents   proximity to the best-known results, with devia-
            the total number of instances per benchmark. AG   tions of 1.25% for NL and 0.24% for CON bench-
            relative to the best known results is AG(NL) =    marks.
            1.25% for NL benchmark and AG(CON) = 0.24%            Table 5 displays the numerical outcomes of
            for CON benchmark, demonstrating the method’s     our method for various NL and CON on UTTP
                                                           273
   73   74   75   76   77   78   79   80   81   82   83