Uses of Interface org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem (Apache Commons Math 3.6.1 API)

## Uses of Interface
org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem

- Packages that use LeastSquaresProblem
  Package | Description
  --- | ---
  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.

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

    Methods in org.apache.commons.math3.fitting that return LeastSquaresProblem
    Modifier and Type | Method and Description
    --- | ---
    `protected abstract LeastSquaresProblem` | AbstractCurveFitter.`getProblem(Collection<WeightedObservedPoint> points)` Creates a least squares problem corresponding to the appropriate curve.
    `protected LeastSquaresProblem` | SimpleCurveFitter.`getProblem(Collection<WeightedObservedPoint> observations)` Creates a least squares problem corresponding to the appropriate curve.
    `protected LeastSquaresProblem` | HarmonicCurveFitter.`getProblem(Collection<WeightedObservedPoint> observations)` Creates a least squares problem corresponding to the appropriate curve.
    `protected LeastSquaresProblem` | PolynomialCurveFitter.`getProblem(Collection<WeightedObservedPoint> observations)` Creates a least squares problem corresponding to the appropriate curve.
    `protected LeastSquaresProblem` | GaussianCurveFitter.`getProblem(Collection<WeightedObservedPoint> observations)` Creates a least squares problem corresponding to the appropriate curve.

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

    Classes in org.apache.commons.math3.fitting.leastsquares that implement LeastSquaresProblem
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LeastSquaresAdapter` An adapter that delegates to another implementation of `LeastSquaresProblem`.

    Methods in org.apache.commons.math3.fitting.leastsquares that return LeastSquaresProblem
    Modifier and Type | Method and Description
    --- | ---
    `LeastSquaresProblem` | LeastSquaresBuilder.`build()` Construct a `LeastSquaresProblem` from the data in this builder.
    `static LeastSquaresProblem` | LeastSquaresFactory.`countEvaluations(LeastSquaresProblem problem, Incrementor counter)` Count the evaluations of a particular problem.
    `static LeastSquaresProblem` | LeastSquaresFactory.`create(MultivariateJacobianFunction model, RealVector observed, RealVector start, ConvergenceChecker<LeastSquaresProblem.Evaluation> checker, int maxEvaluations, int maxIterations)` Create a `LeastSquaresProblem` from the given elements.
    `static LeastSquaresProblem` | LeastSquaresFactory.`create(MultivariateJacobianFunction model, RealVector observed, RealVector start, RealMatrix weight, ConvergenceChecker<LeastSquaresProblem.Evaluation> checker, int maxEvaluations, int maxIterations)` Create a `LeastSquaresProblem` from the given elements.

    `static LeastSquaresProblem`

    LeastSquaresFactory.`create(MultivariateJacobianFunction model, RealVector observed, RealVector start, RealMatrix weight, ConvergenceChecker<LeastSquaresProblem.Evaluation> checker, int maxEvaluations, int maxIterations, boolean lazyEvaluation, ParameterValidator paramValidator)`
    Create a `LeastSquaresProblem` from the given elements.

    `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.

    `static LeastSquaresProblem` | LeastSquaresFactory.`weightDiagonal(LeastSquaresProblem problem, RealVector weights)` Apply a diagonal weight matrix to the `LeastSquaresProblem`.
    `static LeastSquaresProblem` | LeastSquaresFactory.`weightMatrix(LeastSquaresProblem problem, RealMatrix weights)` Apply a dense weight matrix to the `LeastSquaresProblem`.

    Methods in org.apache.commons.math3.fitting.leastsquares with parameters of type LeastSquaresProblem
    Modifier and Type | Method and Description
    --- | ---
    `static LeastSquaresProblem` | LeastSquaresFactory.`countEvaluations(LeastSquaresProblem problem, Incrementor counter)` Count the evaluations of a particular problem.
    `LeastSquaresOptimizer.Optimum` | LeastSquaresOptimizer.`optimize(LeastSquaresProblem leastSquaresProblem)` Solve the non-linear least squares problem.
    `LeastSquaresOptimizer.Optimum` | LevenbergMarquardtOptimizer.`optimize(LeastSquaresProblem problem)` Solve the non-linear least squares problem.
    `LeastSquaresOptimizer.Optimum` | GaussNewtonOptimizer.`optimize(LeastSquaresProblem lsp)` Solve the non-linear least squares problem.
    `static LeastSquaresProblem` | LeastSquaresFactory.`weightDiagonal(LeastSquaresProblem problem, RealVector weights)` Apply a diagonal weight matrix to the `LeastSquaresProblem`.
    `static LeastSquaresProblem` | LeastSquaresFactory.`weightMatrix(LeastSquaresProblem problem, RealMatrix weights)` Apply a dense weight matrix to the `LeastSquaresProblem`.

    Constructors in org.apache.commons.math3.fitting.leastsquares with parameters of type LeastSquaresProblem
    Constructor and Description
    `LeastSquaresAdapter(LeastSquaresProblem problem)` Delegate the `LeastSquaresProblem` interface to the given implementation.

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