Table 1 Mean model with the level of uncertainty in the posterior utilizing individual inversion of DC 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 | PSO (Chandra et al.15) | GWO (Chandra et al.15) | vPSOGWO (PDF = 100% CI) | vPSOGWO (PDF > 68.27% CI) | ||
\({\rho }_{1}\) (Ωm) | 2500 | 1000 | 5000 | 2679.4 ± 32.67 | 2698.2 ± 24.17 | 2572.94 ± 16.34 | 2575.29 ± 2.64 |
\({\rho }_{2}\) (Ωm) | 100 | 1 | 1000 | 92.6 ± 40.5 | 104.8 ± 24.17 | 99.79 ± 1.72 | 100.05 ± 0.15 |
\({\rho }_{3}\) (Ωm) | 300 | 10 | 3000 | 324.53 ± 20.51 | 327.0 ± 8.94 | 297.44 ± 2.02 | 297.76 ± 0.24 |
\({h}_{1}\) (m) | 1.5 | 0.5 | 20 | 1.52 ± 0.04 | 1.5 ± 0.00 | 1.48 ± 0.01 | 1.48 ± 0.00 |
\({h}_{2}\) (m) | 25 | 1 | 100 | 25.1 ± 12.14 | 24.91 ± 0.97 | 24.30 ± 1.04 | 24.47 ± 0.10 |
Fitness | NRMS = 0.102 | NRMS = 0.095 | RMS = 0.0218 | ||||
