| Package | Description | 
|---|---|
| org.apache.commons.math3.fitting.leastsquares | This package provides algorithms that minimize the residuals
 between observations and model values. | 
| org.apache.commons.math3.optim | 
  Generally, optimizers are algorithms that will either
   minimizeormaximizea scalar function, called theobjective
  function. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | LeastSquaresProblemThe data necessary to define a non-linear least squares problem. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | LeastSquaresAdapterAn adapter that delegates to another implementation of  LeastSquaresProblem. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractOptimizationProblem<PAIR>Base class for implementing optimization problems. | 
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