Examples and explanations for a course in ordinary differential equations.
ODE playlist: http://www.youtube.com/playlist?list=PLwIFHT1FWIUJYuP5y6YEM4WWrY4kEmIuS
In this video we explain what a linear differential equation looks like, and give some examples of nonlinear differential equations. This is done by analogy with linear and nonlinear algebraic equations. We give the general form for a first order and a second order linear differential equation.