| 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.analysis.function | 
      The  functionpackage contains function objects that wrap the
      methods contained inMath, as well as common
      mathematical functions such as the gaussian and sinc functions. | 
| org.apache.commons.math3.analysis.integration | Numerical integration (quadrature) algorithms for univariate real functions. | 
| org.apache.commons.math3.analysis.integration.gauss | Gauss family of quadrature schemes. | 
| org.apache.commons.math3.analysis.interpolation | Univariate real functions interpolation algorithms. | 
| org.apache.commons.math3.analysis.polynomials | Univariate real polynomials implementations, seen as differentiable
     univariate real functions. | 
| org.apache.commons.math3.analysis.solvers | Root finding algorithms, for univariate real functions. | 
| org.apache.commons.math3.fitting | Classes to perform curve fitting. | 
| org.apache.commons.math3.fitting.leastsquares | This package provides algorithms that minimize the residuals
 between observations and model values. | 
| org.apache.commons.math3.linear | Linear algebra support. | 
| org.apache.commons.math3.ml.neuralnet | Neural networks. | 
| 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.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.univariate | One-dimensional optimization algorithms. | 
| org.apache.commons.math3.optimization | All classes and sub-packages of this package are deprecated. | 
| org.apache.commons.math3.optimization.direct | 
 This package provides optimization algorithms that don't require derivatives. | 
| org.apache.commons.math3.optimization.general | This package provides optimization algorithms that require derivatives. | 
| org.apache.commons.math3.optimization.univariate | Univariate real functions minimum finding algorithms. | 
| org.apache.commons.math3.special | Implementations of special functions such as Beta and Gamma. | 
| org.apache.commons.math3.transform | Implementations of transform methods, including Fast Fourier transforms. | 
| Class and Description | 
|---|
| BivariateFunction An interface representing a bivariate real function. | 
| DifferentiableMultivariateFunction Deprecated. 
 as of 3.1 replaced by  MultivariateDifferentiableFunction | 
| DifferentiableMultivariateVectorFunction Deprecated. 
 as of 3.1 replaced by  MultivariateDifferentiableVectorFunction | 
| DifferentiableUnivariateFunction Deprecated. 
 as of 3.1 replaced by  UnivariateDifferentiableFunction | 
| MultivariateFunction An interface representing a multivariate real function. | 
| MultivariateMatrixFunction An interface representing a multivariate matrix function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| UnivariateFunction An interface representing a univariate real function. | 
| UnivariateMatrixFunction An interface representing a univariate matrix function. | 
| UnivariateVectorFunction An interface representing a univariate vectorial function. | 
| Class and Description | 
|---|
| MultivariateFunction An interface representing a multivariate real function. | 
| MultivariateMatrixFunction An interface representing a multivariate matrix function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| UnivariateFunction An interface representing a univariate real function. | 
| UnivariateMatrixFunction An interface representing a univariate matrix function. | 
| UnivariateVectorFunction An interface representing a univariate vectorial function. | 
| Class and Description | 
|---|
| BivariateFunction An interface representing a bivariate real function. | 
| DifferentiableUnivariateFunction Deprecated. 
 as of 3.1 replaced by  UnivariateDifferentiableFunction | 
| ParametricUnivariateFunction An interface representing a real function that depends on one independent
 variable plus some extra parameters. | 
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| BivariateFunction An interface representing a bivariate real function. | 
| MultivariateFunction An interface representing a multivariate real function. | 
| TrivariateFunction An interface representing a trivariate real function. | 
| UnivariateFunction An interface representing a univariate real function. | 
| UnivariateVectorFunction An interface representing a univariate vectorial function. | 
| Class and Description | 
|---|
| DifferentiableUnivariateFunction Deprecated. 
 as of 3.1 replaced by  UnivariateDifferentiableFunction | 
| ParametricUnivariateFunction An interface representing a real function that depends on one independent
 variable plus some extra parameters. | 
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| DifferentiableUnivariateFunction Deprecated. 
 as of 3.1 replaced by  UnivariateDifferentiableFunction | 
| RealFieldUnivariateFunction An interface representing a univariate real function. | 
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| MultivariateMatrixFunction An interface representing a multivariate matrix function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| ParametricUnivariateFunction An interface representing a real function that depends on one independent
 variable plus some extra parameters. | 
| Class and Description | 
|---|
| MultivariateMatrixFunction An interface representing a multivariate matrix function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| MultivariateFunction An interface representing a multivariate real function. | 
| Class and Description | 
|---|
| MultivariateFunction An interface representing a multivariate real function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| Class and Description | 
|---|
| MultivariateFunction An interface representing a multivariate real function. | 
| Class and Description | 
|---|
| MultivariateMatrixFunction An interface representing a multivariate matrix function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| MultivariateFunction An interface representing a multivariate real function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| Class and Description | 
|---|
| MultivariateFunction An interface representing a multivariate real function. | 
| MultivariateVectorFunction An interface representing a multivariate vectorial function. | 
| Class and Description | 
|---|
| DifferentiableMultivariateFunction Deprecated. 
 as of 3.1 replaced by  MultivariateDifferentiableFunction | 
| DifferentiableMultivariateVectorFunction Deprecated. 
 as of 3.1 replaced by  MultivariateDifferentiableVectorFunction | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
| Class and Description | 
|---|
| UnivariateFunction An interface representing a univariate real function. | 
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