TABLE 5. Comparison Between the LM and BFGS Fitting Algorithms Using the Exponential Weight Function for Russia, Italy, and Brazil.
| Country | Algorithm | MAE | NRMSE | SMAPE | MRAE |
![]() |
|---|---|---|---|---|---|---|
| Russia | BFGS | 488155.78 | 1.24 | 1.5 | 1.72 | 0.857 |
| LM | 44215.39 | 0.21 | 1.22 | 0.58 | 0.947 | |
| Brazil | BFGS | 45801.68 | 0.122 | 1.04 | 0.284 | 0.994 |
| LM | 62419.17 | 0.277 | 1.12 | 0.34 | 0.995 | |
| Italy | BFGS | 122355.74 | 2.45 | 2.7 | 1.24 | 0.116 |
| LM | 9769.24 | 1.81 | 1.3 | 0.94 | 0.951 |
