Table 3 Mean model with the level of uncertainty in the posterior utilizing individual inversion of MT synthetic data distorted with 10% noise from vPSOGWO compared with results inverted by Chandra et al.15.
From: Nature-inspired stochastic hybrid technique for joint and individual inversion of DC and MT data
Layer parameters | True model | Search range | Inverted value | ||||
|---|---|---|---|---|---|---|---|
Lower | Upper | Chandra et al.15 | Current inverted values | ||||
PSO | GWO | vPSOGWO (PDF = 100%CI) | vPSOGWO (PDF > 68.27% CI) | ||||
\({\rho }_{1}\) (Ωm) | 30,000 | 10,000 | 50,000 | 38,374.3 ± 10,857.3 | 31,215.8 ± 10,309.16 | 30,244.99 ± 18.86 | 30,245.02 ± 6.65 |
\({\rho }_{2}\) (Ωm) | 5000 | 100 | 25,000 | 4706.4 ± 432.98 | 4033.3 ± 576.23 | 5663.70 ± 51.96 | 5664.67 ± 20.80 |
\({\rho }_{3}\) (Ωm) | 1000 | 1 | 5000 | 996.1 ± 17.16 | 987.2 ± 3.45 | 986.75 ± 0.60 | 986.76 ± 0.21 |
\({h}_{1}\) (m) | 15,000 | 5000 | 25,000 | 14,690 ± 1340 | 16,170 ± 2980 | 14,230 ± 61 | 14,230 ± 18 |
\({h}_{2}\) (m) | 18,000 | 10,000 | 25,000 | 20,380 ± 1650 | 18,760 ± 1720 | 17,610 ± 43 | 17,610 ± 9.5 |
Fitness | NRMS = 0.050 | NRMS = 0.049 | RMS = 0.02543 | ||||
