## Background

The Fitzhugh-Nagumo model of the nerve cell.

* x' = c(y + x - x*^{3}/3)

* y' = -( (x - a + by) / c ) *

The Fitzhugh-Nagumo model is a two dimensional model where * x(t) * is
the electrical potential or voltage across the nerve cell membrane, and *
y(t) * is the current through the membrane. The constants *a*,
*b* and *c* are all positive. *( And it's our
understanding after a few informal conversations with a biology major
that different values of the constants probably represent the different
types of nerve cells found in the body ) *. It should be noted that a valid attempt to find the
interpretation of these parameters was made. But unfortunately without success.

[ Introduction |
Analysis |
Conclusions ]

Mike Willock
willock@wpi.wpi.edu

Richard Demar
rdemar@wpi.wpi.edu