See: Description
Interface  Description 

LeastSquaresOptimizer 
An algorithm that can be applied to a nonlinear least squares problem.

LeastSquaresOptimizer.Optimum 
The optimum found by the optimizer.

LeastSquaresProblem 
The data necessary to define a nonlinear least squares problem.

LeastSquaresProblem.Evaluation 
An evaluation of a
LeastSquaresProblem at a particular point. 
MultivariateJacobianFunction 
A interface for functions that compute a vector of values and can compute their
derivatives (Jacobian).

ParameterValidator 
Interface for validating a set of model parameters.

ValueAndJacobianFunction 
A interface for functions that compute a vector of values and can compute their
derivatives (Jacobian).

Class  Description 

AbstractEvaluation 
An implementation of
LeastSquaresProblem.Evaluation that is designed for extension. 
EvaluationRmsChecker 
Check if an optimization has converged based on the change in computed RMS.

GaussNewtonOptimizer 
GaussNewton leastsquares solver.

LeastSquaresAdapter 
An adapter that delegates to another implementation of
LeastSquaresProblem . 
LeastSquaresBuilder 
A mutable builder for
LeastSquaresProblem s. 
LeastSquaresFactory 
A Factory for creating
LeastSquaresProblem s. 
LevenbergMarquardtOptimizer 
This class solves a leastsquares problem using the LevenbergMarquardt
algorithm.

Enum  Description 

GaussNewtonOptimizer.Decomposition 
The decomposition algorithm to use to solve the normal equations.

leastsquares optimizers
minimize the distance (called
cost or χ^{2}) between model and
observations.
LeastSquaresProblem
).
Such a model predicts a set of values which the algorithm tries to match
with a set of given set of observed values.
builder
or it can
be created at once using a factory
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