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Appendix B Solving and Analyzing Dynamical Systems Using XPPAUT
G. Bard Ermentrout

B.1 Basics of Solving Ordinary Differential Equations
B.1.1 Creating the ODE File
B.1.2 Running the Program
B.1.3 The Main Window
B.1.4 Solving the Equations, Graphing and Plotting
B.1.5 Saving and Printing Plots
B.1.6 Changing Parameters and Initial Data
B.1.7 Looking at the Numbers: The Data Viewer
B.1.8 Saving and Restoring the State of Simulations
B.1.9 Important Numerical Parameters
B.1.10 Command Summary: The Basics
B.2 Phase Planes and Nonlinear Equations
B.2.1 Direction Fields
B.2.2 Nullclines and Fixed Points
B.2.3 Command Summary: Phase Planes and Fixed Points
B.3 Bifurcation and Continuation
B.3.1 General Steps for Bifurcation Analysis
B.3.2 Hopf Bifurcation in the FitzHugh-Nagumo Equations
B.3.3 Hints for Computing Complete Bifurcation Diagrams
B.4 Partial Differential Equations: The Method of Lines
B.5 Stochastic Equations
B.5.1 A Simple Brownian Ratchet
B.5.2 A Sodium Channel Model
B.5.3 A Flashing Ratchet
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