| 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. | 
| org.apache.commons.math3.optim.linear | Optimization algorithms for linear constrained problems. | 
| org.apache.commons.math3.optim.nonlinear.scalar | Algorithms for optimizing a scalar function. | 
| org.apache.commons.math3.optim.nonlinear.scalar.gradient | This package provides optimization algorithms that require derivatives. | 
| org.apache.commons.math3.optim.nonlinear.scalar.noderiv | This package provides optimization algorithms that do not require derivatives. | 
| org.apache.commons.math3.optim.nonlinear.vector | Algorithms for optimizing a vector function. | 
| org.apache.commons.math3.optim.nonlinear.vector.jacobian | This package provides optimization algorithms that require derivatives. | 
| org.apache.commons.math3.optim.univariate | One-dimensional optimization algorithms. | 
| Class and Description | 
|---|
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationProblem Common settings for all optimization problems. | 
| PointVectorValuePair This class holds a point and the vectorial value of an objective function at
 that point. | 
| Class and Description | 
|---|
| AbstractConvergenceChecker Base class for all convergence checker implementations. | 
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| MaxEval Maximum number of evaluations of the function to be optimized. | 
| MaxIter Maximum number of iterations performed by an (iterative) algorithm. | 
| OptimizationData Marker interface. | 
| OptimizationProblem Common settings for all optimization problems. | 
| PointValuePair This class holds a point and the value of an objective function at
 that point. | 
| PointVectorValuePair This class holds a point and the vectorial value of an objective function at
 that point. | 
| SimpleBounds Simple optimization constraints: lower and upper bounds. | 
| Class and Description | 
|---|
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| OptimizationData Marker interface. | 
| PointValuePair This class holds a point and the value of an objective function at
 that point. | 
| Class and Description | 
|---|
| BaseMultiStartMultivariateOptimizer Base class multi-start optimizer for a multivariate function. | 
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationData Marker interface. | 
| PointValuePair This class holds a point and the value of an objective function at
 that point. | 
| Class and Description | 
|---|
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationData Marker interface. | 
| PointValuePair This class holds a point and the value of an objective function at
 that point. | 
| Class and Description | 
|---|
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationData Marker interface. | 
| PointValuePair This class holds a point and the value of an objective function at
 that point. | 
| Class and Description | 
|---|
| BaseMultiStartMultivariateOptimizer Base class multi-start optimizer for a multivariate function. | 
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationData Marker interface. | 
| PointVectorValuePair This class holds a point and the vectorial value of an objective function at
 that point. | 
| Class and Description | 
|---|
| BaseMultivariateOptimizer Base class for implementing optimizers for multivariate functions. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationData Marker interface. | 
| PointVectorValuePair This class holds a point and the vectorial value of an objective function at
 that point. | 
| Class and Description | 
|---|
| AbstractConvergenceChecker Base class for all convergence checker implementations. | 
| BaseOptimizer Base class for implementing optimizers. | 
| ConvergenceChecker This interface specifies how to check if an optimization algorithm has
 converged. | 
| OptimizationData Marker interface. | 
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