| Package | Description | 
|---|---|
| org.apache.commons.math3.fitting | Classes to perform curve fitting. | 
| Class and Description | 
|---|
| AbstractCurveFitter Base class that contains common code for fitting parametric univariate
 real functions  y = f(pi;x), wherexis
 the independent variable and thepiare the
 parameters. | 
| CurveFitter Deprecated. 
 As of 3.3. Please use  AbstractCurveFitterandWeightedObservedPointsinstead. | 
| GaussianCurveFitter Fits points to a  Gaussianfunction. | 
| HarmonicCurveFitter Fits points to a  harmonic oscillatorfunction. | 
| PolynomialCurveFitter Fits points to a  polynomialfunction. | 
| SimpleCurveFitter Fits points to a user-defined  function. | 
| WeightedObservedPoint This class is a simple container for weighted observed point in
  curve fitting. | 
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