A C D E F G H I M O P R S T U W X Y

A

adaptivestep() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to perform one adaptive step increment.

addMonitor(SolveMonitor, double) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to add a progress monitor with will result in a call to .upDateMonitor(DataPoint p) and the specified interval.

addToX(double) - Method in class uk.ac.ed.ph.integrator.DataPoint

Method add to the current value of the X.

addToY(int, double) - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to add to a single y element.

C

clone() - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to return a clone of the current DataDataDerivative including a copy of the y array.

clone() - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to return a clone of the current DataPoint including a copy of the y array.

D

DataDerivative - Class in uk.ac.ed.ph.integrator

Class to hold a single DataDeravitive consisting of an x coordinate and a array of y coordinates for use in integrator methods.

DataDerivative() - Constructor for class uk.ac.ed.ph.integrator.DataDerivative

Default constrcuor, set x=0 and y[] array to null

DataDerivative(double, double[]) - Constructor for class uk.ac.ed.ph.integrator.DataDerivative

Constructor to form a DataDerivative from a x coordinate and y array

DataDerivative(int) - Constructor for class uk.ac.ed.ph.integrator.DataDerivative

Constructor to form a DataDerivative with specified size of y array, and all values are set to zero

DataPoint - Class in uk.ac.ed.ph.integrator

Class to hold a single DataPoint consisting of an x coordinate and a array of y coordinates for use in integrator methods.

DataPoint() - Constructor for class uk.ac.ed.ph.integrator.DataPoint

Default constrcuor, set x=0 and y[] array to null

DataPoint(double, double[]) - Constructor for class uk.ac.ed.ph.integrator.DataPoint

Constructor to form a DataPoint from a x coordinate and y array

DataPoint(int) - Constructor for class uk.ac.ed.ph.integrator.DataPoint

Constrcuor to form a DataPoint with specified size of y array, and all values are set to zero

DiffEquations - Class in uk.ac.ed.ph.integrator

Abstract class to defibe the differential eauations for the Integrator class.

DiffEquations() - Constructor for class uk.ac.ed.ph.integrator.DiffEquations

Default conststructor, needs to be overloaded by a usable extending class.

E

eqn - Variable in class uk.ac.ed.ph.integrator.Integrator

error(DataPoint) - Method in class uk.ac.ed.ph.integrator.DataPoint

The default error between two DataPoints, currently set as the normalsied square error

Euler - Class in uk.ac.ed.ph.integrator

Class to implement simple Euler integration.

Euler(DiffEquations) - Constructor for class uk.ac.ed.ph.integrator.Euler

Constructor to create the Euler class and attach a set of equations to se solved

eulerStep(DataDerivative, double) - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to for a new DataPoint by propagating the current point a specified distance (step), with the differentials in delta using the simple Euler scheme

evaluate(DataPoint) - Method in class uk.ac.ed.ph.integrator.DiffEquations

Method to evaluate the dy[i]/dx and return the values in a new y-array of the returned DataPoint.

evaluate(DataPoint) - Method in class uk.ac.ed.ph.integrator.HarmonicEquations

Evaluation method called by the integration class

evaluate(DataPoint) - Method in class uk.ac.ed.ph.integrator.OrbitEquations

evaluate method called by the integration class

F

fixedstep() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to perform one fixed step increment.

fmt - Static variable in class uk.ac.ed.ph.integrator.DataDerivative

formatPoint() - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to format a point as a String for file output with x value and each y[] element seperated by a space.

G

getAccuracy() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to get the accuracy criteria

getMaxStep() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to get the maximum step size

getMinStep() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to get the minumum step size

getSaveInterval() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to get the save interval

getStep() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to get the current step size

getStepNumber() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to get the number of steps taken.

getX() - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to get the x value

getY() - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to get the y array

getY(int) - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to get a specific element of the y array.

H

HarmonicEquations - Class in uk.ac.ed.ph.integrator

Example set of DiffEqutions to implement Force Damped SMH of a single particle about a fixed point.

HarmonicEquations(double, double) - Constructor for class uk.ac.ed.ph.integrator.HarmonicEquations

Constuctor for Damped SMH with no forcing.

HarmonicEquations(double, double, double, double) - Constructor for class uk.ac.ed.ph.integrator.HarmonicEquations

Constuctor for Forced Damped SMH

I

ImprovedEuler - Class in uk.ac.ed.ph.integrator

Class to implement two point Improved Euler integration that used two derivitives at start and end od step interval.

ImprovedEuler(DiffEquations) - Constructor for class uk.ac.ed.ph.integrator.ImprovedEuler

Constructor to create the ImprovedEuler two point integrator class and attach a set of equations to se solved

Integrator - Class in uk.ac.ed.ph.integrator

Class to implement general integration by using with either fixed step size of factor of two adaptive size.

Integrator(DiffEquations) - Constructor for class uk.ac.ed.ph.integrator.Integrator

Constructor to create the general class and attach a set of equations to se solved

M

maximumError(DataPoint) - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to calcuate the absolute maximum error between elemenst of the y paramter array

O

OrbitEquations - Class in uk.ac.ed.ph.integrator

Example set of Diffequations to implement orbits equations about a fixed mass.

OrbitEquations(double, double, double) - Constructor for class uk.ac.ed.ph.integrator.OrbitEquations

Constructor for OrbitEqutions for a mass as specified location

P

PrintMonitor - Class in uk.ac.ed.ph.integrator

Class to monitor integrator progress to a formated output stream or File.

PrintMonitor() - Constructor for class uk.ac.ed.ph.integrator.PrintMonitor

Default constuctor to print DataPoints to the default System.out

PrintMonitor(File) - Constructor for class uk.ac.ed.ph.integrator.PrintMonitor

Constuctor for a PrintMonitor to outut to a spefied File.

PrintMonitor(String) - Constructor for class uk.ac.ed.ph.integrator.PrintMonitor

Constuctor for a PrintMonitor to outut to a speified file name.

R

removeMonitor() - Method in class uk.ac.ed.ph.integrator.Integrator

Method to remove the Monitor

RungeKutta - Class in uk.ac.ed.ph.integrator

Class to implement RungeKutta integration by using Four point RK with either fixed step size of factor of two adaptive size.

RungeKutta(DiffEquations) - Constructor for class uk.ac.ed.ph.integrator.RungeKutta

Constructor to create the RungaKutta class and attach a set of equations to se solved

S

setAccuracy(double) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the accuracy for adaptive step size.

setAdaptiveTestInternal(int) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the adaptive test internal in steps

setDefaultError(int) - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to set the default error

setFormatString(String) - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to set the format string from the default of "%g".

setMaxStep(double) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the maximun step size when using adaptive step.

setMinStep(double) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the minumun step size when using adaptive step

setMonitorInterval(double) - Method in class uk.ac.ed.ph.integrator.Integrator

Methed of set (or reset) the call inetrval of a pre-attached SolveMonitor.

setMonitorTimeInterval(int) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the monitor time interval

setSaveInterval(int) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the save interval being the number of steps between the storing the calcualted points.

setStartConditions(DataPoint) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the starting conditions, or perhaps new starting conditons.

setStep(double) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the step size.

setVerbose(boolean) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to set the/unset the verbose flag.

setX(double) - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to set the x coordinate.

setY(double[]) - Method in class uk.ac.ed.ph.integrator.DataDerivative

Void method to set the y coordinate array

setY(int, double) - Method in class uk.ac.ed.ph.integrator.DataDerivative

Method to set a single y element.

size() - Method in class uk.ac.ed.ph.integrator.DataDerivative

Int method to get the size of the y array.

solve(double, boolean) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to cause class to do the solving from it current position.

SolveMonitor - Class in uk.ac.ed.ph.integrator

Abstart Class to monitor Integrator class by defaults does nothing.

SolveMonitor() - Constructor for class uk.ac.ed.ph.integrator.SolveMonitor

Default constructor, does nothing

squareError(DataPoint) - Method in class uk.ac.ed.ph.integrator.DataPoint

Calcualte the normalsied square error between the current DataPoint as the specified DataPoint

stepForward(DataPoint, double) - Method in class uk.ac.ed.ph.integrator.Euler

Internal to perform a single Euler step

stepForward(DataPoint, double) - Method in class uk.ac.ed.ph.integrator.ImprovedEuler

Internal method to perform a two point Improved Euler step.

stepForward(DataPoint, double) - Method in class uk.ac.ed.ph.integrator.Integrator

Method to perform one forward step, overwritten by the extending classes.

stepForward(DataPoint, double) - Method in class uk.ac.ed.ph.integrator.RungeKutta

Method to perform a Four Point RK with

T

toString() - Method in class uk.ac.ed.ph.integrator.DataDerivative

Default method for give formattered String

U

uk.ac.ed.ph.integrator - package uk.ac.ed.ph.integrator

updateMonitor(DataPoint) - Method in class uk.ac.ed.ph.integrator.PrintMonitor

Method to print to a file line

updateMonitor(DataPoint) - Method in class uk.ac.ed.ph.integrator.SolveMonitor

Void method to monitor the Integrator process which get automatically called by the Integrator class as specified interval.

W

weightedStep(DataDerivative[], double[], double) - Method in class uk.ac.ed.ph.integrator.DataPoint

Method to a new DataPoint be propagating the current DataPoint by a weighted step.

X

x - Variable in class uk.ac.ed.ph.integrator.DataDerivative

Y

y - Variable in class uk.ac.ed.ph.integrator.DataDerivative

A C D E F G H I M O P R S T U W X Y