# org.apache.commons.math3.fitting.leastsquares

## Interfaces

- LeastSquaresOptimizer
- LeastSquaresOptimizer.Optimum
- LeastSquaresProblem
- LeastSquaresProblem.Evaluation
- MultivariateJacobianFunction
- ParameterValidator
- ValueAndJacobianFunction

## Classes

- AbstractEvaluation
- EvaluationRmsChecker
- GaussNewtonOptimizer
- LeastSquaresAdapter
- LeastSquaresBuilder
- LeastSquaresFactory
- LevenbergMarquardtOptimizer

## Enums

- GaussNewtonOptimizer.Decomposition