**Links and References**

**Videos**

Strogatz Cornell lectures based on our main text

Strogatz lab demos

Stabilizing an inverted pendulum

**Software**

Mathematica Examples

2x2 matrices with Mathematica (1 page)

Brief Mathematica ODE Demo.nb.pdf (2 pages)

3 lines of Mathematica code to numerically solve x''+sin(x)=0, x(0)=1, x'(0)=-1 and plot solution

3 lines of Matlab code to numerically solve x''+sin(x)=0, x(0)=1, x'(0)=-1 and plot solution

Solving ODEs in Matlab

The Matlab ODE suite

Elementary Mechanics Using Matlab (good guide to solving problems in mechanics)

Differential equations With Matlab (good book with intro to numerical issues solving ODEs)

Physical modeling in MATLAB (Downey) free textbook

Interactive Differential Equations (applets) These are very insightful but require you modify the JAVA security settings

Two disasters caused by computer arithmetic mistakes

LSODE

pplane and dfield (Java versions) Users manual