Computer Explorations of Fractals, Chaos,Complex Systems, and Adaptation

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 HENCON Documentation

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#### NAME

```       hencon - control the Henon system with the OGY control law

```

#### SYNOPSIS

```       hencon -help
or
hencon [-points integer]  [-on1  integer]  [-off  integer]
[-on2  integer]  [-skip  integer]  [-seed  integer]
[-plimit double] [-A double]  [-B  double]  [-gauss
double]

```

#### DESCRIPTION

```       Control  the Henon system, x(t+1) = A - x(t)^2 + B * x(t -
1), with the OGY control law for arbitrary  choices  of  A
and  B.   The control law is analytically calculated based
on the system parameters.  The user can  select  times  in
which control is turned on and off so that time-to-control
and transients can be observed.  Gaussian noise  can  also
be  injected  into the system.  The control timing options
are constrained to obey  (0  <=  on1  <=  off  <=  on2  <=
points).

```

#### OPTIONS

```       -points integer
The length of the time series.

-on1 integer
Where to turn control on.

-off integer
Where to turn control off.

-on2 integer
Where to turn control on again.

-skip integer
Amount to skip initially.

-seed integer
Random seed.

-plimit double
Largest allowed size for p.

-A double
Value of the A parameter.

-B double
Value of the B parameter.

-gauss double
Magnitude of Gaussian noise.

```

#### BUGS

```       Few  sanity  checks are performed to make sure that any of
the options make sense.

```

#### AUTHOR

```       Copyright (c) 1997, Gary William Flake.

Permission granted for any use according to  the  standard
GNU ``copyleft'' agreement provided that the author's com-
ments are neither modified nor removed.   No  warranty  is
given or implied.

```