org.jgraph.util
Class Spline

java.lang.Object
  org.jgraph.util.Spline

public class Spline
extends Object

Interpolates given values by B-Splines.

Constructor Summary

Spline(double[] xx, double[] yy)
Creates a new Spline.

Method Summary

double	getDx(double x) Returns the first derivation at x.
double	getValue(double x) Returns an interpolated value.
void	setValues(double[] xx, double[] yy) Set values for this Spline.
void	solve(double[][] A, double[] b) Solves Ax=b and stores the solution in b.

Methods inherited from class java.lang.Object

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

Constructor Detail

Spline

public Spline(double[] xx,
              double[] yy)

Creates a new Spline.

Parameters:

xx -

yy -

Method Detail

setValues

public void setValues(double[] xx,
                      double[] yy)

Set values for this Spline.

Parameters:

xx -

yy -

getValue

public double getValue(double x)

Returns an interpolated value.

Parameters:

x -

Returns:

getDx

public double getDx(double x)

Returns the first derivation at x.

Parameters:

x -

Returns:

solve

public void solve(double[][] A,
                  double[] b)

Solves Ax=b and stores the solution in b.