org.apache.commons.math.analysis.interpolation
Class BicubicSplineInterpolatingFunction
java.lang.Object
org.apache.commons.math.analysis.interpolation.BicubicSplineInterpolatingFunction
- All Implemented Interfaces:
- BivariateRealFunction
public class BicubicSplineInterpolatingFunction
- extends Object
- implements BivariateRealFunction
Function that implements the
bicubic spline interpolation.
- Since:
- 2.1
- Version:
- $Revision$ $Date$
Method Summary |
double |
value(double x,
double y)
Compute the value for the function. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
BicubicSplineInterpolatingFunction
public BicubicSplineInterpolatingFunction(double[] x,
double[] y,
double[][] z,
double[][] dZdX,
double[][] dZdY,
double[][] dZdXdY)
throws DimensionMismatchException
- Parameters:
x
- Sample values of the x-coordinate, in increasing ordery
- Sample values of the y-coordinate, in increasing orderz
- Values of the function on every grid pointdZdX
- Values of the partial derivative of function with respect
to x on every grid pointdZdY
- Values of the partial derivative of function with respect
to y on every grid pointdZdXdY
- Values of the cross partial derivative of function on
every grid point
- Throws:
DimensionMismatchException
- if the various arrays do not contain
the expected number of elements.
IllegalArgumentException
- if x
or y
are not strictly
increasing.
value
public double value(double x,
double y)
- Compute the value for the function.
- Specified by:
value
in interface BivariateRealFunction
- Parameters:
x
- abscissa for which the function value should be computedy
- ordinate for which the function value should be computed
- Returns:
- the value
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