# Package org.apache.commons.math3.optim.nonlinear.scalar.gradient

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
  --- | ---
  NonLinearConjugateGradientOptimizer | Non-linear conjugate gradient optimizer.
  NonLinearConjugateGradientOptimizer.BracketingStep | Deprecated As of v3.3, this class is not used anymore.
  NonLinearConjugateGradientOptimizer.IdentityPreconditioner | Default identity preconditioner.

- Enum Summary
  Enum | Description
  --- | ---
  NonLinearConjugateGradientOptimizer.Formula | Available choices of update formulas for the updating the parameter that is used to compute the successive conjugate search directions.

## Package org.apache.commons.math3.optim.nonlinear.scalar.gradient Description

This package provides optimization algorithms that require derivatives.

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