#### 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.