Class OdesFunction

java.lang.Object
   |
   +----OdesFunction

public class OdesFunction

extends Object

• a method derivs(double[] x, double t) to return the rhs of the equations given x and t
• an int variable nParameters giving the number of ode parameters
• the initialization of a[nParamters] and aDefault[nParameters]
• x[0] giving default initial values of x

• boolean wrapX true if x-range is to be wrapped
• double wrapXValue giving value at which x is wrapped if wrapX true
• boolean wrapY true if y-range is to be wrapped
• double wrapYValue giving value at which y is wrapped if wrapY true
• boolean wrapZ true if z-range is to be wrapped
• double wrapZValue giving value at which z is wrapped if wrapZ true
• double dt giving the default value of the time step dt
• double trans giving the default value of the transient trans
• double ghostTime giving the default value of the time for which the preplot is evaluated
• double poincareSection giving the default value for the Poimcare section
• String title giving the name of the function to use as a graph title

a

array giving map paramters

aDefault

array giving default values of map parameters

dt

ghostTime

nParameters

number of parameters

nVariables

number of map variables

poincareSection

title

the name of the function to use as a graph title

trans

wrapX

wrapXValue

wrapY

wrapYValue

wrapZ

wrapZValue

x0

the default value of the initial value of x

OdesFunction(int)

derivs(double[], double)

Returns RHS of differential equations

getNParameters()

Returnd the number of parameters defining the ode

setParameters(double[])

Sets the map paramters

 int nParameters

number of parameters

 int nVariables

number of map variables

 double a[]

array giving map paramters

 double aDefault[]

array giving default values of map parameters

 public boolean wrapX

 public double wrapXValue

 public boolean wrapY

 public double wrapYValue

 public boolean wrapZ

 public double wrapZValue

 double x0[]

the default value of the initial value of x

 double dt

 double trans

 double ghostTime

 double poincareSection

 String title

the name of the function to use as a graph title

 OdesFunction(int n)

 public void setParameters(double parameters[])

Sets the map paramters

Parameters:

paramters - the array of input paramters

 public double[] derivs(double x[],
                        double t)

Returns RHS of differential equations

Parameters:

x[] - vector of current value of dependent variables

n - number of dependent variables in array x[]

t - current value of independent variable

Returns:

n component vector giving derivatives of dependent variables

 public int getNParameters()

Returnd the number of parameters defining the ode

Returns:

number of parameters