Package org.apache.commons.math3.fitting
Class GaussianFitter
- java.lang.Object
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- org.apache.commons.math3.fitting.CurveFitter<Gaussian.Parametric>
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- org.apache.commons.math3.fitting.GaussianFitter
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@Deprecated public class GaussianFitter extends CurveFitter<Gaussian.Parametric>
Deprecated.As of 3.3. Please useGaussianCurveFitter
andWeightedObservedPoints
instead.Fits points to aGaussian
function.Usage example:
GaussianFitter fitter = new GaussianFitter( new LevenbergMarquardtOptimizer()); fitter.addObservedPoint(4.0254623, 531026.0); fitter.addObservedPoint(4.03128248, 984167.0); fitter.addObservedPoint(4.03839603, 1887233.0); fitter.addObservedPoint(4.04421621, 2687152.0); fitter.addObservedPoint(4.05132976, 3461228.0); fitter.addObservedPoint(4.05326982, 3580526.0); fitter.addObservedPoint(4.05779662, 3439750.0); fitter.addObservedPoint(4.0636168, 2877648.0); fitter.addObservedPoint(4.06943698, 2175960.0); fitter.addObservedPoint(4.07525716, 1447024.0); fitter.addObservedPoint(4.08237071, 717104.0); fitter.addObservedPoint(4.08366408, 620014.0); double[] parameters = fitter.fit();
- Since:
- 2.2
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
GaussianFitter.ParameterGuesser
Deprecated.Guesses the parametersnorm
,mean
, andsigma
of aGaussian.Parametric
based on the specified observed points.
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Constructor Summary
Constructors Constructor Description GaussianFitter(MultivariateVectorOptimizer optimizer)
Deprecated.Constructs an instance using the specified optimizer.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description double[]
fit()
Deprecated.Fits a Gaussian function to the observed points.double[]
fit(double[] initialGuess)
Deprecated.Fits a Gaussian function to the observed points.-
Methods inherited from class org.apache.commons.math3.fitting.CurveFitter
addObservedPoint, addObservedPoint, addObservedPoint, clearObservations, fit, fit, getObservations
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Constructor Detail
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GaussianFitter
public GaussianFitter(MultivariateVectorOptimizer optimizer)
Deprecated.Constructs an instance using the specified optimizer.- Parameters:
optimizer
- Optimizer to use for the fitting.
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Method Detail
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fit
public double[] fit(double[] initialGuess)
Deprecated.Fits a Gaussian function to the observed points.- Parameters:
initialGuess
- First guess values in the following order:- Norm
- Mean
- Sigma
- Returns:
- the parameters of the Gaussian function that best fits the observed points (in the same order as above).
- Since:
- 3.0
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fit
public double[] fit()
Deprecated.Fits a Gaussian function to the observed points.- Returns:
- the parameters of the Gaussian function that best fits the observed points (in the same order as above).
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