| Package | Description | 
|---|---|
| org.apache.commons.math3.analysis.function | 
      The  functionpackage contains function objects that wrap the
      methods contained inMath, as well as common
      mathematical functions such as the gaussian and sinc functions. | 
| org.apache.commons.math3.analysis.polynomials | Univariate real polynomials implementations, seen as differentiable
     univariate real functions. | 
| org.apache.commons.math3.fitting | Classes to perform curve fitting. | 
| org.apache.commons.math3.optimization.fitting | This package provides classes to perform curve fitting. | 
| Modifier and Type | Class and Description | 
|---|---|
| static class  | Gaussian.ParametricParametric function where the input array contains the parameters of
 the Gaussian, ordered as follows:
 
  Norm
  Mean
  Standard deviation
  | 
| static class  | HarmonicOscillator.ParametricParametric function where the input array contains the parameters of
 the harmonic oscillator function, ordered as follows:
 
  Amplitude
  Angular frequency
  Phase
  | 
| static class  | Logistic.ParametricParametric function where the input array contains the parameters of
 the  logistic function, ordered as follows:
 
  k
  m
  b
  q
  a
  n | 
| static class  | Logit.ParametricParametric function where the input array contains the parameters of
 the logit function, ordered as follows:
 
  Lower bound
  Higher bound
  | 
| static class  | Sigmoid.ParametricParametric function where the input array contains the parameters of
 the  sigmoid function, ordered
 as follows:
 
  Lower asymptote
  Higher asymptote | 
| Modifier and Type | Class and Description | 
|---|---|
| static class  | PolynomialFunction.ParametricDedicated parametric polynomial class. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CurveFitter<T extends ParametricUnivariateFunction>Deprecated. 
 As of 3.3. Please use  AbstractCurveFitterandWeightedObservedPointsinstead. | 
| Modifier and Type | Method and Description | 
|---|---|
| static SimpleCurveFitter | SimpleCurveFitter. create(ParametricUnivariateFunction f,
      double[] start)Creates a curve fitter. | 
| Constructor and Description | 
|---|
| AbstractCurveFitter.TheoreticalValuesFunction(ParametricUnivariateFunction f,
                                             Collection<WeightedObservedPoint> observations) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CurveFitter<T extends ParametricUnivariateFunction>Deprecated. 
 As of 3.1 (to be removed in 4.0). | 
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