| cov_gen | Generates the covariance matrix |
| IMSPE_AL | IMSPE optimal design point search |
| MuFiMeshGP | Prediction of the MuFiMeshGP emulator for any fidelity level. |
| predict.MuFiMeshGP | predict.MuFiMeshGP |
| regF_gen | Creates the regression function for the mean |
| update.MuFiMeshGP | update.MuFiMeshGP |