The following list contains the optimizers available in the VES code.
| OPT_AVERAGED_SGD | Averaged stochastic gradient decent with fixed step size. |
| OPT_DUMMY | Dummy optimizer for debugging. |
| OPT_ROBBINS_MONRO_SGD | Robbins-Monro stochastic gradient decent. |
| OPT_STEEPEST_DECENT | Steepest decent optimizer. |