jmathlib
Class Curve

java.lang.Object
  |
  +--jmathlib.Curve

public class Curve

extends java.lang.Object

A class that stores a N-dimensional function of time (i.e. R -> R^N) as an array of doubles, each element being of the form (t,x_1,...,x_N).

Field Summary

protected java.awt.Color	curveColor
protected java.lang.String	curveTitle
protected java.util.Vector	data
protected int	dimension

Constructor Summary

Curve(Curve c)
Creates a new Curve from the given curve

Curve(int dimension)
Creates a new Curve of the given dimension

Curve(int dimension, java.awt.Color curveColor)
Creates a new Curve of the given dimension and the given color

Method Summary

void	addColumn(double[] element) add a new element of type (t,x_1,...
void	addColumns(double[][] elements)
void	clear()
double[]	column(int index)
java.util.Enumeration	elements()
double[]	firstColumn()
java.awt.Color	getColor()
java.util.Vector	getData()
int	getDimension()
java.lang.String	getTitle()
void	join(Curve c)
double[]	lastColumn()
double[]	row(int index)
void	setColor(java.awt.Color curveColor)
void	setTitle(java.lang.String title)
int	size()
double[][]	toArray()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

data

protected java.util.Vector data

curveColor

protected java.awt.Color curveColor

curveTitle

protected java.lang.String curveTitle

dimension

protected int dimension

Constructor Detail

Curve

public Curve(int dimension)

Creates a new Curve of the given dimension

Parameters:

dimension - the dimension (i.e. the number of rows minus one)

Curve

public Curve(int dimension,
             java.awt.Color curveColor)

Creates a new Curve of the given dimension and the given color

Parameters:

dimension - the dimension (i.e. the number of rows minus one)

curveColor - the curve color

Curve

public Curve(Curve c)

Creates a new Curve from the given curve

Method Detail

addColumn

public void addColumn(double[] element)

add a new element of type (t,x_1,...,x_N) to this curve

Parameters:

element - must be a (N+1)-dimension array of double, where N is the dimension of this curve

addColumns

public void addColumns(double[][] elements)

join

public void join(Curve c)

getData

public java.util.Vector getData()

toArray

public double[][] toArray()

row

public double[] row(int index)

clear

public void clear()

size

public int size()

elements

public java.util.Enumeration elements()

firstColumn

public double[] firstColumn()

lastColumn

public double[] lastColumn()

column

public double[] column(int index)

getDimension

public int getDimension()

getColor

public java.awt.Color getColor()

setColor

public void setColor(java.awt.Color curveColor)

getTitle

public java.lang.String getTitle()

setTitle

public void setTitle(java.lang.String title)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

a text-formatted representation of this curve