## Uses of Interface
org.apache.commons.math3.analysis.MultivariateVectorFunction

- Packages that use MultivariateVectorFunction
  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.scalar | Algorithms for optimizing a scalar function.
  org.apache.commons.math3.optim.nonlinear.vector | Algorithms for optimizing a vector function.
  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.

- - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.analysis

    Subinterfaces of MultivariateVectorFunction in org.apache.commons.math3.analysis
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `DifferentiableMultivariateVectorFunction` Deprecated. as of 3.1 replaced by `MultivariateDifferentiableVectorFunction`

    Methods in org.apache.commons.math3.analysis that return MultivariateVectorFunction
    Modifier and Type | Method and Description
    --- | ---
    `MultivariateVectorFunction` | DifferentiableMultivariateFunction.`gradient()` Deprecated. Returns the gradient function.

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.analysis.differentiation

    Subinterfaces of MultivariateVectorFunction in org.apache.commons.math3.analysis.differentiation
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `MultivariateDifferentiableVectorFunction` Extension of `MultivariateVectorFunction` representing a multivariate differentiable vectorial function.

    Classes in org.apache.commons.math3.analysis.differentiation that implement MultivariateVectorFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `GradientFunction` Class representing the gradient of a multivariate function.

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.fitting

    Methods in org.apache.commons.math3.fitting that return MultivariateVectorFunction
    Modifier and Type | Method and Description
    --- | ---
    `MultivariateVectorFunction` | AbstractCurveFitter.TheoreticalValuesFunction.`getModelFunction()`

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.fitting.leastsquares

    Methods in org.apache.commons.math3.fitting.leastsquares with parameters of type MultivariateVectorFunction
    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 `LeastSquaresProblem` from the given elements.
    `LeastSquaresBuilder` | LeastSquaresBuilder.`model(MultivariateVectorFunction value, MultivariateMatrixFunction jacobian)` Configure the model function.
    `static MultivariateJacobianFunction` | LeastSquaresFactory.`model(MultivariateVectorFunction value, MultivariateMatrixFunction jacobian)` Combine a `MultivariateVectorFunction` with a `MultivariateMatrixFunction` to produce a `MultivariateJacobianFunction`.

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.optim.nonlinear.scalar

    Methods in org.apache.commons.math3.optim.nonlinear.scalar that return MultivariateVectorFunction
    Modifier and Type | Method and Description
    --- | ---
    `MultivariateVectorFunction` | ObjectiveFunctionGradient.`getObjectiveFunctionGradient()` Gets the gradient of the function to be optimized.

    Constructors in org.apache.commons.math3.optim.nonlinear.scalar with parameters of type MultivariateVectorFunction
    Constructor and Description
    `LeastSquaresConverter(MultivariateVectorFunction function, double[] observations)` Builds a simple converter for uncorrelated residuals with identical weights.
    `LeastSquaresConverter(MultivariateVectorFunction function, double[] observations, double[] weights)` Builds a simple converter for uncorrelated residuals with the specified weights.
    `LeastSquaresConverter(MultivariateVectorFunction function, double[] observations, RealMatrix scale)` Builds a simple converter for correlated residuals with the specified weights.
    `ObjectiveFunctionGradient(MultivariateVectorFunction g)`

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.optim.nonlinear.vector

    Methods in org.apache.commons.math3.optim.nonlinear.vector that return MultivariateVectorFunction
    Modifier and Type | Method and Description
    --- | ---
    `MultivariateVectorFunction` | ModelFunction.`getModelFunction()` Deprecated. Gets the model function to be optimized.

    Constructors in org.apache.commons.math3.optim.nonlinear.vector with parameters of type MultivariateVectorFunction
    Constructor and Description
    `ModelFunction(MultivariateVectorFunction m)` Deprecated.

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.optimization

    Classes in org.apache.commons.math3.optimization with type parameters of type MultivariateVectorFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BaseMultivariateVectorMultiStartOptimizer<FUNC extends MultivariateVectorFunction>` Deprecated. As of 3.1 (to be removed in 4.0).
    `interface` | `BaseMultivariateVectorOptimizer<FUNC extends MultivariateVectorFunction>` Deprecated. As of 3.1 (to be removed in 4.0).

    Constructors in org.apache.commons.math3.optimization with parameters of type MultivariateVectorFunction
    Constructor and Description
    `LeastSquaresConverter(MultivariateVectorFunction function, double[] observations)` Deprecated. Build a simple converter for uncorrelated residuals with the same weight.
    `LeastSquaresConverter(MultivariateVectorFunction function, double[] observations, double[] weights)` Deprecated. Build a simple converter for uncorrelated residuals with the specific weights.
    `LeastSquaresConverter(MultivariateVectorFunction function, double[] observations, RealMatrix scale)` Deprecated. Build a simple converter for correlated residuals with the specific weights.

  - ### Uses of MultivariateVectorFunction in org.apache.commons.math3.optimization.direct

    Classes in org.apache.commons.math3.optimization.direct with type parameters of type MultivariateVectorFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BaseAbstractMultivariateVectorOptimizer<FUNC extends MultivariateVectorFunction>` Deprecated. As of 3.1 (to be removed in 4.0).

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