vdp3D.mp4:,vdp3D1.mp4, vdp3D2.mp4: Behavior of the Van der Pol oscillator, which can be written as the system: dY/dt = [y₂ ; μ(1-y₁²) y₂-y₁] for μ varying from 0 to 2.5. (16')

vdpPwS.swf: Power Spectrum of both variables: y₁ and y₂ for μ varying from 0 to 2.5. (16')