Research Article
Multimode Preemptive Resource Investment Problem Subject to Due Dates for Activities: Formulation and Solution Procedure
Table 3
Comparison of the results obtained by the CPLEX, GA, and BRGS.
| | Number of subactivities |
Number of modes |
Number of problems | CPLEX | BRGS | GA | | NPOC | ACT-CPLEX | NBRGS | ARD-BRGS | NPMG | ARD-GA | ACT-GA |
| | 20 | 2 | 20 | 20 | 321.276 | 8 | 28.541% | 193 | 1.38% | 38.264 | | 20 | 3 | 20 | 20 | 564.539 | 5 | 43.760% | 184 | 1.51% | 69.370 | | 50 | 2 | 20 | 0 | — | 3 | 39.918% | — | 2.27% | 151.581 | | 50 | 3 | 20 | 0 | — | 2 | 57.364% | — | 2.64% | 214.602 | | 80 | 2 | 20 | 0 | — | 2 | 71.382% | — | 2.80% | 270.431 | | 80 | 3 | 20 | 0 | — | 1 | 102.475% | — | 3.79% | 425.206 |
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