org.apache.commons.math.analysis.interpolation
Interface BivariateRealGridInterpolator
- All Known Implementing Classes:
- SmoothingBicubicSplineInterpolator
public interface BivariateRealGridInterpolator
Interface representing a bivariate real interpolating function where the
sample points must be specified on a regular grid.
- Version:
- $Revision$ $Date$
interpolate
BivariateRealFunction interpolate(double[] xval,
double[] yval,
double[][] zval)
throws MathException
- Computes an interpolating function for the data set.
- 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
- the values of the interpolation points on all the grid knots:
zval[i][j] = f(xval[i], yval[j])
- Returns:
- a function which interpolates the data set
- Throws:
MathException
- if arguments violate assumptions made by the
interpolation algorithm
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