A C D F G I M P R S T X Y

A

abs() - Method in class Point

Instance method to calculate the absolute value of the Point, abstract and must be defined by any subclasses of Point.

abs(Point) - Static method in class Point

Static method to calculate and return a new Point equal to the absolute value of the Point p.

abs() - Method in class PointN

Instance method to take the absolute value of this PointN.

add(Point) - Method in class Point

Instance method to add a Point to the current Point, abstract and must be defined by any subclasses of Point.

add(Point, Point) - Static method in class Point

Static method to add two Points.

add(Point, Point, Point) - Static method in class Point

Static method to add three Points.

add(Point, Point, Point, Point) - Static method in class Point

Static method to add four Points.

add(Point) - Method in class PointN

Instance method to add a PointN to this PointN.

C

clone() - Method in class Point

Overrides the object.clone() method to enable Point cloning outside of Point package.

clone() - Method in class PointN

Overrides the Point.clone() method to enable a deep copy.

coordinate(int) - Method in class Point

Instance method to return the coordinate of the Point at index i, abstract and must be defined by any subclasses of Point.

coordinate(int) - Method in class PointN

Instance method to return the ith coordinate of this PointN.

D

Display - class Display.

This class is a sub class of JFrame and is responsible for the GUI and for displaying the space objects and there orbits.

Display(SpaceObject[], PointN) - Constructor for class Display

Constructs a Display which will act as my main GUI.

dimension() - Method in class Point

Instance method to return the dimension of the Point, abstract and must be defined by any subclasses of Point.

dimension() - Method in class PointN

Instance method to return d, the dimension of this PointN.

F

function(double, Point) - Method in class Integrator

Method to calculate the required function which defines the problem being integrated.

function(double, Point) - Method in class SolarIntegrator

represents the mathematical behaviour of my simplified solar system.

G

getC() - Method in class SpaceObject

Method for accessing the current coordinates of this space object.

getDisplay() - Method in class SpaceObject

Method for accessing the boolean variable display.

getDistance(SpaceObject, double, double, double) - Method in class SolarIntegrator

calculates the distance of a SpaceObject s from a certain position in 3D.

getI() - Method in class SpaceObject

Method for accessing the initial conditions of this space object.

getIV() - Method in class Integrator

Method used to return the current value of the independent variable.

getLocation() - Method in class Integrator

Method used to return the current state of the system.

getM() - Method in class SpaceObject

Method for accessing the mass of this space object.

getTime() - Method in class SpaceObject

Method to get the number of calculated time steps so far.

getUpdatedMass() - Method in class MomentumChanger

Method for getting the updated mass of Cruithne.

getUpdatedVelocities() - Method in class MomentumChanger

Method for getting the updated velocities of Cruithne.

I

Integrator - class Integrator.

Integrator is an abstract class which can be subclassed to create any kind of numerical integrator.

Integrator(double, double, Point, int) - Constructor for class Integrator

Constructor to instantiate Integrator - never called directly.

init() - Method in class StartMe

Method for initializing the whole applet.

integrate() - Method in class Integrator

Abstract method which performs the numerical integration, implemented by any subclass of Integrator.

integrate() - Method in class RK4

Method which performs RK4 numerical integration, requires that function has been implemented in a subclass.

integrate() - Method in class SolarIntegrator

Method for numerical integration.

M

MomentumChanger - class MomentumChanger.

This class is a sub class of JFrame and is responsible for a small GUI which allows the user to change Cruithnes momentum.

MomentumChanger(PointN, double) - Constructor for class MomentumChanger

Constructs a MomentumChager which will allow to change Cruithnes mometum via user input

main(String[]) - Static method in class Test

max() - Method in class Point

Method to return the maximum of the Point, abstract and must be defined by any subclasses of Point.

max() - Method in class PointN

Instance method to return the maximum value of this PointN.

min() - Method in class Point

Method to return the minimum of the Point, abstract and must be defined by any subclasses of Point.

min() - Method in class PointN

Instance method to return the minimum value of this PointN.

multiply(double) - Method in class Point

Instance method to multiply the current Point by a double, abstract and must be defined by any subclasses of Point.

multiply(Point, double) - Static method in class Point

Static method to multiply a Point by a double.

multiply(double) - Method in class PointN

Instance method to multiply this PointN by a double.

myDisplay - Variable in class StartMe

My GUI.

P

Point - class Point.

Point is an abstract class which can be used to store any dimensional system.

Point() - Constructor for class Point

PointN - class PointN.

PointN is a subclass of Point extending Point to the general case of N dimensions.

PointN(double[]) - Constructor for class PointN

plusOneTime() - Method in class SpaceObject

Method for increasing the stored time steps by one time step.

R

RK4 - class RK4.

RK4 is an abstract subclass of Integrator.

RK4(double, double, Point, int) - Constructor for class RK4

Constructor to instantiate RK4 - never called directly.

round(int) - Method in class Point

Instance method to round the Point's accuracy to n decimal places, abstract and must be defined by any subclasses of Point.

round(int) - Method in class PointN

Instance method to round this PointN to 10^(n) accuracy.

run() - Method in class Integrator

Method used to start a new thread performing the integration.

S

SolarIntegrator - class SolarIntegrator.

SolarIntegrator is a subclass of the abstract RK4 class.

SolarIntegrator(SpaceObject[], double, double, PointN, int) - Constructor for class SolarIntegrator

Constructs a SolarIntegrator for performing numerical integration.

SpaceObject - class SpaceObject.

This class represents a space object i.e. a planet, moon or asteroid.

SpaceObject(PointN, double) - Constructor for class SpaceObject

Constructs a SolarObject which will hold inital and current information about this object.

StartMe - class StartMe.

This class contains the init() method which will initialize the whole applet.

StartMe() - Constructor for class StartMe

setC(PointN) - Method in class SpaceObject

Method for updating the current coordinates of this space object.

setCoordinate(int, double) - Method in class PointN

Instance method to set the ith coordinate of this PointN.

setDisplay(boolean) - Method in class SpaceObject

Method for setting the boolean variable display.

setEnd(double) - Method in class Integrator

Method used to reset the final value of the independent variable used in the numerical integration.

setM(double) - Method in class SpaceObject

Method for updating the mass of this space object.

setSteps(int) - Method in class Integrator

Method used to reset the number of steps used in the numerical integration.

steps - Variable in class Integrator

The number of steps being used for the integration.

T

Test - class Test.

Test() - Constructor for class Test

terminate() - Method in class MomentumChanger

Method for closing the update window.

toString() - Method in class Integrator

Abstract method to return the problem being integrated in human readable form.

toString() - Method in class Point

Instance method to return the contents of the Point in human readable form, abstract and must be defined by any subclasses of Point.

toString() - Method in class PointN

Returns the PointN in readable form.

toString() - Method in class SolarIntegrator

This method is NOT USED!!!

truncate(int) - Method in class Point

Instance method to truncate the Point's accuracy to n decimal places, abstract and must be defined by any subclasses of Point.

truncate(int) - Method in class PointN

Instance method to truncate this PointN to 10^(n) accuracy.

X

x - Variable in class Integrator

Current value of the independent variable that the integration is begin performed with respect to.

x0 - Variable in class Integrator

Initial value of the independent variable that the integration is begin performed with respect to.

x1 - Variable in class Integrator

Final value of the independent variable that the integration is begin performed with respect to.

Y

y - Variable in class Integrator

Current state of the system being integrated.

y0 - Variable in class Integrator

Initial state of the system being integrated.

A C D F G I M P R S T X Y