DEBSOURCES
Skip Quicknav
sources / xppaut / 8.0%2Bdfsg-1 / ode / vanderpol.ode
1234567
x'=xp xp'=-x+xp*(1-x^2) x(0)=1 @ nplot=2 @ total=40,xp=t,xp2=t,yp=x,yp2=xp,xlo=0,xhi=40,ylo=-3,yhi=3 d