Class DuffingFunction 

java.lang.Object
   |
   +----OdesFunction
           |
           +----DuffingFunction
public class DuffingFunction
extends OdesFunction

Constructor Index

o DuffingFunction(int)
the default value of the initial value of x

Method Index

o derivs(double[], double)
Returns RHS of differential equations for Duffing model
o getNParameters()
Returnd the number of paraemters defining the map
o setParameters(double[])
Sets the equation paramters

Constructors

o DuffingFunction 
 DuffingFunction(int n)
the default value of the initial value of x

Methods

o setParameters 
 public void setParameters(double parameters[])
Sets the equation paramters

Parameters:
paramters - the array of input paramters
Overrides:
setParameters in class OdesFunction
o derivs 
 public double[] derivs(double x[],
                        double t)
Returns RHS of differential equations for Duffing model

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 compoent vector giving derivatives of dependent variables
Overrides:
derivs in class OdesFunction
o getNParameters 
 public int getNParameters()
Returnd the number of paraemters defining the map

Returns:
number of parameters
Overrides:
getNParameters in class OdesFunction