BasicHopf.swf: Hopf bifurcation for the dynamical system:
(1). dx1/dt = x2 + x1 [ μ - x12 - x22 ]
(2). dx2/dt = - x1 + x2 [ μ - x12 - x22 ]
where μ varies as follows: μ= -1,..,2. (03')

BasicHopf2.swf