# Package org.apache.commons.math3.analysis.interpolation

Univariate real functions interpolation algorithms.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  BivariateGridInterpolator | Interface representing a bivariate real interpolating function where the sample points must be specified on a regular grid.
  MultivariateInterpolator | Interface representing a univariate real interpolating function.
  TrivariateGridInterpolator | Interface representing a trivariate real interpolating function where the sample points must be specified on a regular grid.
  UnivariateInterpolator | Interface representing a univariate real interpolating function.

- Class Summary
  Class | Description
  --- | ---
  AkimaSplineInterpolator | Computes a cubic spline interpolation for the data set using the Akima algorithm, as originally formulated by Hiroshi Akima in his 1970 paper "A New Method of Interpolation and Smooth Curve Fitting Based on Local Procedures." J.
  BicubicInterpolatingFunction | Function that implements the bicubic spline interpolation.
  BicubicInterpolator | Generates a `bicubic interpolating function`.
  BicubicSplineInterpolatingFunction | Deprecated as of 3.4 replaced by `PiecewiseBicubicSplineInterpolatingFunction`
  BicubicSplineInterpolator | Deprecated as of 3.4 replaced by `PiecewiseBicubicSplineInterpolator`
  DividedDifferenceInterpolator | Implements the Divided Difference Algorithm for interpolation of real univariate functions.
  FieldHermiteInterpolator<T extends FieldElement<T>> | Polynomial interpolator using both sample values and sample derivatives.
  HermiteInterpolator | Polynomial interpolator using both sample values and sample derivatives.
  InterpolatingMicrosphere | Utility class for the `MicrosphereProjectionInterpolator` algorithm.
  InterpolatingMicrosphere2D | Utility class for the `MicrosphereProjectionInterpolator` algorithm.
  LinearInterpolator | Implements a linear function for interpolation of real univariate functions.
  LoessInterpolator | Implements the Local Regression Algorithm (also Loess, Lowess) for interpolation of real univariate functions.
  MicrosphereInterpolatingFunction | Deprecated Code will be removed in 4.0.
  MicrosphereInterpolator | Deprecated Code will be removed in 4.0.
  MicrosphereProjectionInterpolator | Interpolator that implements the algorithm described in William Dudziak's MS thesis.
  NevilleInterpolator | Implements the Neville's Algorithm for interpolation of real univariate functions.
  PiecewiseBicubicSplineInterpolatingFunction | Function that implements the bicubic spline interpolation.
  PiecewiseBicubicSplineInterpolator | Generates a piecewise-bicubic interpolating function.
  SmoothingPolynomialBicubicSplineInterpolator | Deprecated To be removed in 4.0 (see MATH-1166).
  SplineInterpolator | Computes a natural (also known as "free", "unclamped") cubic spline interpolation for the data set.
  TricubicInterpolatingFunction | Function that implements the tricubic spline interpolation, as proposed in Tricubic interpolation in three dimensions, F.
  TricubicInterpolator | Generates a tricubic interpolating function.
  TricubicSplineInterpolatingFunction | Deprecated To be removed in 4.0 (see MATH-1166).
  TricubicSplineInterpolator | Deprecated To be removed in 4.0 (see MATH-1166).
  UnivariatePeriodicInterpolator | Adapter for classes implementing the `UnivariateInterpolator` interface.

## Package org.apache.commons.math3.analysis.interpolation Description

Univariate real functions interpolation algorithms.

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