BicubicFunction

java.lang.Object
- org.apache.commons.math3.analysis.interpolation.BicubicFunction

All Implemented Interfaces:: BivariateFunction

class BicubicFunction
extends java.lang.Object
implements BivariateFunction

Bicubic function.

Field Summary

Fields
Modifier and Type Field Description

private double[][] a
Coefficients

private static short N
Number of points.

Constructor Summary

Constructors
Constructor Description

BicubicFunction(double[] coeff)
Simple constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private double`	`apply(double[] pX, double[] pY, double[][] coeff)`	Compute the value of the bicubic polynomial.
`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

- Field Detail
  - N
```
private static final short N
```
    Number of points.
    
    See Also:
    
    Constant Field Values
  - a
```
private final double[][] a
```
    Coefficients
- Constructor Detail
  - BicubicFunction
```
BicubicFunction(double[] coeff)
```
    Simple constructor.
    
    Parameters:
    
    coeff - Spline coefficients.
- Method Detail
  - value
```
public double value(double x,
                    double y)
```
    Compute the value for the function.
    
    Specified by:
    
    value in interface BivariateFunction
    
    Parameters:
    
    x - Abscissa for which the function value should be computed.
    
    y - Ordinate for which the function value should be computed.
    
    Returns:
    
    the value.
  - apply
```
private double apply(double[] pX,
                     double[] pY,
                     double[][] coeff)
```
    Compute the value of the bicubic polynomial.
    
    Parameters:
    
    pX - Powers of the x-coordinate.
    
    pY - Powers of the y-coordinate.
    
    coeff - Spline coefficients.
    
    Returns:
    
    the interpolated value.