Package org.apache.commons.math3.analysis.interpolation

Class BicubicSplineInterpolatingFunction

java.lang.Object

org.apache.commons.math3.analysis.interpolation.BicubicSplineInterpolatingFunction

All Implemented Interfaces:

BivariateFunction

@Deprecated
public class BicubicSplineInterpolatingFunction
extends Object
implements BivariateFunction

Deprecated.

as of 3.4 replaced by PiecewiseBicubicSplineInterpolatingFunction

Function that implements the bicubic spline interpolation. Due to numerical accuracy issues this should not be used.

Since:

2.1

Constructor Summary

Constructors

Constructor	Description
BicubicSplineInterpolatingFunction(double[] x, double[] y, double[][] f, double[][] dFdX, double[][] dFdY, double[][] d2FdXdY)	Deprecated.
BicubicSplineInterpolatingFunction(double[] x, double[] y, double[][] f, double[][] dFdX, double[][] dFdY, double[][] d2FdXdY, boolean initializeDerivatives)	Deprecated.

Method Summary

Modifier and Type	Method	Description
boolean	isValidPoint(double x, double y)	Deprecated. Indicates whether a point is within the interpolation range.
double	partialDerivativeX(double x, double y)	Deprecated.
double	partialDerivativeXX(double x, double y)	Deprecated.
double	partialDerivativeXY(double x, double y)	Deprecated.
double	partialDerivativeY(double x, double y)	Deprecated.
double	partialDerivativeYY(double x, double y)	Deprecated.
double	value(double x, double y)	Deprecated. Compute the value for the function.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BicubicSplineInterpolatingFunction

public BicubicSplineInterpolatingFunction(double[] x,
 double[] y,
 double[][] f,
 double[][] dFdX,
 double[][] dFdY,
 double[][] d2FdXdY)
                                   throws DimensionMismatchException,
NoDataException,
NonMonotonicSequenceException

Deprecated.

Parameters:

x - Sample values of the x-coordinate, in increasing order.

y - Sample values of the y-coordinate, in increasing order.

f - Values of the function on every grid point.

dFdX - Values of the partial derivative of function with respect to x on every grid point.

dFdY - Values of the partial derivative of function with respect to y on every grid point.

d2FdXdY - 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.

NonMonotonicSequenceException - if x or y are not strictly increasing.

NoDataException - if any of the arrays has zero length.

BicubicSplineInterpolatingFunction

public BicubicSplineInterpolatingFunction(double[] x,
 double[] y,
 double[][] f,
 double[][] dFdX,
 double[][] dFdY,
 double[][] d2FdXdY,
 boolean initializeDerivatives)
                                   throws DimensionMismatchException,
NoDataException,
NonMonotonicSequenceException

Deprecated.

Parameters:

x - Sample values of the x-coordinate, in increasing order.

y - Sample values of the y-coordinate, in increasing order.

f - Values of the function on every grid point.

dFdX - Values of the partial derivative of function with respect to x on every grid point.

dFdY - Values of the partial derivative of function with respect to y on every grid point.

d2FdXdY - Values of the cross partial derivative of function on every grid point.

initializeDerivatives - Whether to initialize the internal data needed for calling any of the methods that compute the partial derivatives this function.

Throws:

DimensionMismatchException - if the various arrays do not contain the expected number of elements.

NonMonotonicSequenceException - if x or y are not strictly increasing.

NoDataException - if any of the arrays has zero length.

See Also:

• partialDerivativeX(double,double)
• partialDerivativeY(double,double)
• partialDerivativeXX(double,double)
• partialDerivativeYY(double,double)
• partialDerivativeXY(double,double)

Method Details

value

public double value(double x,
 double y)
             throws OutOfRangeException

Deprecated.

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.

Throws:

OutOfRangeException

isValidPoint

public boolean isValidPoint(double x,
 double y)

Deprecated.

Indicates whether a point is within the interpolation range.

Parameters:

x - First coordinate.

y - Second coordinate.

Returns:

true if (x, y) is a valid point.

Since:

3.3

partialDerivativeX

public double partialDerivativeX(double x,
 double y)
                          throws OutOfRangeException

Deprecated.

Parameters:

x - x-coordinate.

y - y-coordinate.

Returns:

the value at point (x, y) of the first partial derivative with respect to x.

Throws:

OutOfRangeException - if x (resp. y) is outside the range defined by the boundary values of xval (resp. yval).

NullPointerException - if the internal data were not initialized (cf. constructor).

partialDerivativeY

public double partialDerivativeY(double x,
 double y)
                          throws OutOfRangeException

Deprecated.

Parameters:

x - x-coordinate.

y - y-coordinate.

Returns:

the value at point (x, y) of the first partial derivative with respect to y.

Throws:

OutOfRangeException - if x (resp. y) is outside the range defined by the boundary values of xval (resp. yval).

NullPointerException - if the internal data were not initialized (cf. constructor).

partialDerivativeXX

public double partialDerivativeXX(double x,
 double y)
                           throws OutOfRangeException

Deprecated.

Parameters:

x - x-coordinate.

y - y-coordinate.

Returns:

the value at point (x, y) of the second partial derivative with respect to x.

Throws:

OutOfRangeException - if x (resp. y) is outside the range defined by the boundary values of xval (resp. yval).

NullPointerException - if the internal data were not initialized (cf. constructor).

partialDerivativeYY

public double partialDerivativeYY(double x,
 double y)
                           throws OutOfRangeException

Deprecated.

Parameters:

x - x-coordinate.

y - y-coordinate.

Returns:

the value at point (x, y) of the second partial derivative with respect to y.

Throws:

OutOfRangeException - if x (resp. y) is outside the range defined by the boundary values of xval (resp. yval).

NullPointerException - if the internal data were not initialized (cf. constructor).

partialDerivativeXY

public double partialDerivativeXY(double x,
 double y)
                           throws OutOfRangeException

Deprecated.

Parameters:

x - x-coordinate.

y - y-coordinate.

Returns:

the value at point (x, y) of the second partial cross-derivative.

Throws:

OutOfRangeException - if x (resp. y) is outside the range defined by the boundary values of xval (resp. yval).

NullPointerException - if the internal data were not initialized (cf. constructor).