lt.monarch.math
Class CubicSplineReal

java.lang.Object
  lt.monarch.math.CubicSplineReal

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, AbstractSpline

public class CubicSplineReal
extends java.lang.Object
implements AbstractSpline

Real cubic spline implementation

See Also:

Serialized Form

Constructor and Description

CubicSplineReal()
Empty spline constructor

CubicSplineReal(double[] x, double[] y, int n)
Real Cubic Spline constructor Default step number is 12

CubicSplineReal(double[] x, double[] y, int n, int steps)
Real Cubic Spline constructor

Method Summary

Modifier and Type	Method and Description
AbstractSpline	clone() Clones the object
Point2D[]	getLines() Gets spline line array
double[]	interpolateYAt(double x) Interpolates x value and returns the Y values array
void	setData(double[] x, double[] y, int n, int steps) Sets spline data

Methods inherited from class java.lang.Object

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

Constructor Detail

CubicSplineReal

public CubicSplineReal(double[] x,
                       double[] y,
                       int n,
                       int steps)
                throws java.lang.IllegalArgumentException

Real Cubic Spline constructor

Parameters:

x - X values array

y - Y values array

n - number of points

steps - number to how many steps one line between two points should be splitted up.

Throws:

java.lang.IllegalArgumentException

CubicSplineReal

public CubicSplineReal()

Empty spline constructor

CubicSplineReal

public CubicSplineReal(double[] x,
                       double[] y,
                       int n)
                throws java.lang.IllegalArgumentException

Real Cubic Spline constructor Default step number is 12

Parameters:

x - X values array

y - Y values array

n - number of points

Throws:

java.lang.IllegalArgumentException

Method Detail

setData

public void setData(double[] x,
                    double[] y,
                    int n,
                    int steps)

Description copied from interface: AbstractSpline

Sets spline data

Specified by:

setData in interface AbstractSpline

Parameters:

x - normalized x values

y - normalized y values

n - point count

steps - step count

getLines

public Point2D[] getLines()

Description copied from interface: AbstractSpline

Gets spline line array

Specified by:

getLines in interface AbstractSpline

Returns:

spline line array

interpolateYAt

public double[] interpolateYAt(double x)

Description copied from interface: AbstractSpline

Interpolates x value and returns the Y values array

Specified by:

interpolateYAt in interface AbstractSpline

Parameters:

x - x value, where to interpolate

Returns:

array of y values

clone

public AbstractSpline clone()
                     throws java.lang.CloneNotSupportedException

Description copied from interface: AbstractSpline

Clones the object

Specified by:

clone in interface AbstractSpline

Overrides:

clone in class java.lang.Object

Returns:

object clone (new instance)

Throws:

java.lang.CloneNotSupportedException - exception if not possible to clone