| Value | Meaning |
|---|---|
| maxIterations-1 | Maximum number of iterations reached |
| furtherImprovement | The algorithm cann't improve the solution |
| xConverged | Stationary values |
| gConverged | Stationary gradient |
| fConverged | Good (small) residual |
| badBounds-32 | |
| badGuess | |
| badMinStepQuality | |
| badGoodStepQuality | |
| badStepQuality | |
| badLambdaParams | |
| numericError |