| Package | Description | 
|---|---|
| org.apache.commons.math3.analysis | 
      Parent package for common numerical analysis procedures, including root finding,
      function interpolation and integration. | 
| org.apache.commons.math3.analysis.differentiation | 
   This package holds the main interfaces and basic building block classes
   dealing with differentiation. | 
| org.apache.commons.math3.optimization.general | This package provides optimization algorithms that require derivatives. | 
| Modifier and Type | Method and Description | 
|---|---|
| static MultivariateDifferentiableVectorFunction | FunctionUtils. toMultivariateDifferentiableVectorFunction(DifferentiableMultivariateVectorFunction f)Deprecated. 
 this conversion method is temporary in version 3.1, as the  DifferentiableMultivariateFunctioninterface itself is deprecated | 
| Modifier and Type | Method and Description | 
|---|---|
| static DifferentiableMultivariateVectorFunction | FunctionUtils. toDifferentiableMultivariateVectorFunction(MultivariateDifferentiableVectorFunction f)Deprecated. 
 this conversion method is temporary in version 3.1, as the  DifferentiableMultivariateVectorFunctioninterface itself is deprecated | 
| Constructor and Description | 
|---|
| JacobianFunction(MultivariateDifferentiableVectorFunction f)Simple constructor. | 
| Modifier and Type | Method and Description | 
|---|---|
| PointVectorValuePair | AbstractLeastSquaresOptimizer. optimize(int maxEval,
        MultivariateDifferentiableVectorFunction f,
        double[] target,
        double[] weights,
        double[] startPoint)Deprecated. 
 As of 3.1. Please use
  optimize(int,MultivariateDifferentiableVectorFunction,OptimizationData...)instead. | 
| protected PointVectorValuePair | AbstractLeastSquaresOptimizer. optimizeInternal(int maxEval,
                MultivariateDifferentiableVectorFunction f,
                OptimizationData... optData)Deprecated. 
 As of 3.1. Override is necessary only until this class's generic
 argument is changed to  MultivariateDifferentiableVectorFunction. | 
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