| 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.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.optim.nonlinear.vector | Algorithms for optimizing a vector function. | 
| Modifier and Type | Method and Description | 
|---|---|
| MultivariateMatrixFunction | DifferentiableMultivariateVectorFunction. jacobian()Deprecated.  Returns the jacobian function. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | JacobianFunctionClass representing the Jacobian of a multivariate vector function. | 
| Modifier and Type | Method and Description | 
|---|---|
| MultivariateMatrixFunction | AbstractCurveFitter.TheoreticalValuesFunction. getModelFunctionJacobian() | 
| Modifier and Type | Method and Description | 
|---|---|
| static LeastSquaresProblem | LeastSquaresFactory. create(MultivariateVectorFunction model,
      MultivariateMatrixFunction jacobian,
      double[] observed,
      double[] start,
      RealMatrix weight,
      ConvergenceChecker<LeastSquaresProblem.Evaluation> checker,
      int maxEvaluations,
      int maxIterations)Create a  LeastSquaresProblemfrom the given elements. | 
| LeastSquaresBuilder | LeastSquaresBuilder. model(MultivariateVectorFunction value,
     MultivariateMatrixFunction jacobian)Configure the model function. | 
| static MultivariateJacobianFunction | LeastSquaresFactory. model(MultivariateVectorFunction value,
     MultivariateMatrixFunction jacobian)Combine a  MultivariateVectorFunctionwith aMultivariateMatrixFunctionto produce aMultivariateJacobianFunction. | 
| Modifier and Type | Method and Description | 
|---|---|
| MultivariateMatrixFunction | ModelFunctionJacobian. getModelFunctionJacobian()Deprecated.  Gets the Jacobian of the model function to be optimized. | 
| Constructor and Description | 
|---|
| ModelFunctionJacobian(MultivariateMatrixFunction j)Deprecated.  | 
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