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    • Extreme.Mathematics Namespace
    • Extreme.Mathematics.Algorithms Namespace
    • Extreme.Mathematics.Calculus Namespace
    • Extreme.Mathematics.Calculus.OrdinaryDifferentialEquations Namespace
    • Extreme.Mathematics.Curves Namespace
    • Extreme.Mathematics.Curves.Nonlinear Namespace
    • Extreme.Mathematics.EquationSolvers Namespace
    • Extreme.Mathematics.Generic Namespace
    • Extreme.Mathematics.Generic.LinearAlgebra Namespace
    • Extreme.Mathematics.Generic.LinearAlgebra.Providers Namespace
    • Extreme.Mathematics.LinearAlgebra Namespace
    • Extreme.Mathematics.LinearAlgebra.Complex Namespace
    • Extreme.Mathematics.LinearAlgebra.Complex.Decompositions Namespace
    • Extreme.Mathematics.LinearAlgebra.IO Namespace
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    • Extreme.Mathematics.LinearAlgebra.IterativeSolvers.Preconditioners Namespace
    • Extreme.Mathematics.LinearAlgebra.Providers Namespace
    • Extreme.Mathematics.LinearAlgebra.Sparse Namespace
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  • Extreme.Mathematics.Curves Namespace
    • ChebyshevBasis Class
    • ChebyshevSeries Class
    • Constant Class
    • CubicSpline Class
    • CubicSplineKind Enumeration
    • Curve Class
    • CurveFitter Class
    • FunctionBasis Class
    • GeneralCurve Class
    • GeneralFunctionBasis Class
    • Line Class
    • LinearCombination Class
    • LinearCurveFitter Class
    • LinearLeastSquaresMethod Enumeration
    • NonlinearCurve Class
    • NonlinearCurveFitter Class
    • ParameterCollection Class
    • PiecewiseConstantCurve Class
    • PiecewiseCurve Class
    • PiecewiseLinearCurve Class
    • Point Structure
    • Polynomial Class
    • PolynomialBase Class
    • PolynomialBasis Class
    • Quadratic Class
    • WeightFunctions Class
  • CurveFitter Class
    • Members
    • CurveFitter Constructor
    • Methods
    • Properties
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CurveFitter Class

Members See Also 
Implements the Levenberg-Marquardt algorithm for non-linear least-squares.

Namespace: Extreme.Mathematics.Curves
Assembly: Extreme.Numerics.Net40 (in Extreme.Numerics.Net40.dll) Version: 4.2.11333.0 (4.2.12253.0)

Syntax

C#
                      public abstract class CurveFitter
Visual Basic (Declaration)
                      Public MustInherit Class CurveFitter
Visual C++
                      public ref class CurveFitter abstract
F#
[<AbstractClassAttribute>]
type CurveFitter =  class end

Remarks

Use the NonlinearCurveFitter class to fit data to a nonlinear curve by the method of least squares. The curve, which must be of a type that inherits from NonlinearCurve, is specified by the Curve property. The data is supplied as Vector objects through the XValues and YValues properties.

The Fit()()()() method performs the actual curve fit. This method returns the Curve that best fits the supplied data.

By default, the observations are unweighted. You can supply a weighting method in two ways. You can set the WeightFunction property to a function of two variables delegate that computes the weight for each observation. The WeightFunctions class provides predefined delegates for the most common weight functions. Alternatively, you can set the individual weights by setting the WeightVector property to a Vector that contains the weight for each individual observation.

Inheritance Hierarchy

System..::..Object
  Extreme.Mathematics.Curves..::..CurveFitter
    Extreme.Mathematics.Curves..::..LinearCurveFitter
    Extreme.Mathematics.Curves..::..NonlinearCurveFitter

See Also

CurveFitter Members
Extreme.Mathematics.Curves Namespace

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