Open config-i1 opened 4 years ago
Normalise all the parameter before the nloptr(), then denormalise them in the loop. See if this improves the speed of calculation and accuracy.
The normalisation does not work in general, because the level is then changed more than needed and the fit becomes unstable.
Normalise all the parameter before the nloptr(), then denormalise them in the loop. See if this improves the speed of calculation and accuracy.