| Package | Description | 
|---|---|
| org.hipparchus.analysis.interpolation | Univariate real functions interpolation algorithms. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | BilinearInterpolatingFunctionInterpolate grid data using bi-linear interpolation. | 
| class  | PiecewiseBicubicSplineInterpolatingFunctionFunction that implements the
 bicubic spline
 interpolation. | 
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