# Package org.apache.commons.math.optimization.general

This package provides optimization algorithms that require derivatives.

See: Description

Interface Summary
Interface | Description
--- | ---
Preconditioner | This interface represents a preconditioner for differentiable scalar objective function optimizers.

Class Summary
Class | Description
--- | ---
AbstractLeastSquaresOptimizer | Base class for implementing least squares optimizers.
AbstractScalarDifferentiableOptimizer | Base class for implementing optimizers for multivariate scalar functions.
GaussNewtonOptimizer | Gauss-Newton least-squares solver.
LevenbergMarquardtOptimizer | This class solves a least squares problem using the Levenberg-Marquardt algorithm.
NonLinearConjugateGradientOptimizer | Non-linear conjugate gradient optimizer.
NonLinearConjugateGradientOptimizer.IdentityPreconditioner | Default identity preconditioner.

Enum Summary
Enum | Description
--- | ---
ConjugateGradientFormula | Available choices of update formulas for the β parameter in `NonLinearConjugateGradientOptimizer`.

## Package org.apache.commons.math.optimization.general Description

This package provides optimization algorithms that require derivatives.