```

```

#### NAME

```       henbif - plot a bifurcation diagram for the Henon system

```

#### SYNOPSIS

```       henbif -help
or
henbif [-width  integer] [-height integer] [-skip integer]
[-abmin double] [-abmax double] [-ab]  [-A  double]
[-B  double] [-factor double] [-ymin double] [-ymax
double] [-box integer] [-brmin double] [-brmax dou-
ble]  [-bymin  double] [-bymax double] [-inv] [-mag
integer] [-term string]

```

#### DESCRIPTION

```       A bifurcation  diagram  of  the  Henon  system,  which  is
described  by the equation x(t+1) = A - x(t)^2 + B * x(t -
1), is plotted  according  to  the  specified  parameters.
Either  of  the  parameters  (A or B) can be varied in the
plot.

```

#### OPTIONS

```       -width integer
Width of the plot in pixels.

-height integer
Height of the plot in pixels.

-skip integer
Number of initial points to skip.

-abmin double
Smallest value for A (or B).

-abmax double
Largest value for A (or B).

-ab    If TRUE, plot for A; B otherwise.

-A double
Value of the A parameter.

-B double
Value of the B parameter.

-factor double
Multiplicative factor for iterates.

-ymin double
Smallest value for y range.

-ymax double
Largest value for y range.

-box integer
Line width for a box.

-brmin double
Smallest r-value for the box.

-brmax double
Largest r-value for the box.

-bymin double
Smallest value for box y range.

-bymax double
Largest value for box y range.

-inv   Invert all colors?

-mag integer
Magnification factor.

-term string
How to plot points.

```

#### BUGS

```       No 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.

```

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