org.apache.commons.math3.analysis.interpolation

## Interface TrivariateGridInterpolator

- All Known Implementing Classes:
    TricubicSplineInterpolator

      public interface TrivariateGridInterpolator

  Interface representing a trivariate real interpolating function where the sample points must be specified on a regular grid.
  Since:
    2.2
  Version:
    $Id: TrivariateGridInterpolator.java 1455194 2013-03-11 15:45:54Z luc $

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `TrivariateFunction` | `interpolate(double[] xval, double[] yval, double[] zval, double[][][] fval)` Compute an interpolating function for the dataset.

- - ### Method Detail

    - #### interpolate

          TrivariateFunction interpolate(double[] xval,
                                       double[] yval,
                                       double[] zval,
                                       double[][][] fval)
                                         throws NoDataException,
                                                NumberIsTooSmallException,
                                                DimensionMismatchException,
                                                NonMonotonicSequenceException

      Compute an interpolating function for the dataset.
      Parameters:
        `xval` - All the x-coordinates of the interpolation points, sorted in increasing order.
        `yval` - All the y-coordinates of the interpolation points, sorted in increasing order.
        `zval` - All the z-coordinates of the interpolation points, sorted in increasing order.
        `fval` - the values of the interpolation points on all the grid knots: `fval[i][j][k] = f(xval[i], yval[j], zval[k])`.
      Returns:
        a function that interpolates the data set.
      Throws:
        `NoDataException` - if any of the arrays has zero length.
        `DimensionMismatchException` - if the array lengths are inconsistent.
        `NonMonotonicSequenceException` - if arrays are not sorted
        `NumberIsTooSmallException` - if the number of points is too small for the order of the interpolation

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