BivariateGridInterpolator (Apache Commons Math 3.6.1 API)

org.apache.commons.math3.analysis.interpolation

## Interface BivariateGridInterpolator

- All Known Implementing Classes:
    BicubicInterpolator, BicubicSplineInterpolator, PiecewiseBicubicSplineInterpolator, SmoothingPolynomialBicubicSplineInterpolator

      public interface BivariateGridInterpolator

  Interface representing a bivariate real interpolating function where the sample points must be specified on a regular grid.

- - ### Method Summary

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

- - ### Method Detail

    - #### interpolate

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

      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.
        `fval` - The values of the interpolation points on all the grid knots: `fval[i][j] = f(xval[i], yval[j])`.
      Returns:
        a function which interpolates the dataset.
      Throws:
        `NoDataException` - if any of the arrays has zero length.
        `DimensionMismatchException` - if the array lengths are inconsistent.
        `NonMonotonicSequenceException` - if the array is not sorted.
        `NumberIsTooSmallException` - if the number of points is too small for the order of the interpolation

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