| Package | Description | 
|---|---|
| org.hipparchus.analysis | 
 
      Parent package for common numerical analysis procedures, including root finding,
      function interpolation and integration. 
 | 
| org.hipparchus.analysis.differentiation | 
 
   This package holds the main interfaces and basic building block classes
   dealing with differentiation. 
 | 
| Modifier and Type | Method | Description | 
|---|---|---|
static MultivariateDifferentiableFunction | 
FunctionUtils.toDifferentiable(MultivariateFunction f,
                MultivariateVectorFunction gradient) | 
 Convert regular functions to  
MultivariateDifferentiableFunction. | 
| Modifier and Type | Method | Description | 
|---|---|---|
static MultivariateFunction | 
FunctionUtils.derivative(MultivariateDifferentiableFunction f,
          int[] orders) | 
 Convert an  
MultivariateDifferentiableFunction to an
 MultivariateFunction computing nth order derivative. | 
| Constructor | Description | 
|---|---|
GradientFunction(MultivariateDifferentiableFunction f) | 
 Simple constructor. 
 | 
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