| Package | Description | 
|---|---|
| org.hipparchus.optim | 
  Generally, optimizers are algorithms that will either
   minimizeormaximizea scalar function, called theobjective
  function. | 
| org.hipparchus.optim.nonlinear.vector.leastsquares | This package provides algorithms that minimize the residuals
 between observations and model values. | 
| Modifier and Type | Method and Description | 
|---|---|
| boolean | SimpleVectorValueChecker. converged(int iteration,
         PointVectorValuePair previous,
         PointVectorValuePair current)Check if the optimization algorithm has converged considering the
 last two points. | 
| Modifier and Type | Method and Description | 
|---|---|
| LeastSquaresBuilder | LeastSquaresBuilder. checkerPair(ConvergenceChecker<PointVectorValuePair> newChecker)Configure the convergence checker. | 
| static ConvergenceChecker<LeastSquaresProblem.Evaluation> | LeastSquaresFactory. evaluationChecker(ConvergenceChecker<PointVectorValuePair> checker)View a convergence checker specified for a  PointVectorValuePairas one
 specified for anLeastSquaresProblem.Evaluation. | 
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