The numerical Hopf bifurcation for Price Reyleigh equation with two delays was investigated
through using a delay as a parameter.First
the delay difference equation obtained by using Euler method was written as a map.And then according to the theories of bifurcation for discrete dynamical systems
on condition that Price Reyleigh equation had bifurcations
the conditions of Hopf bifurcation difference equations as well as the relations between successive system and numerical approximation were discussed.Finally
it is proved that when successive system produces Hopf bifurcation
the Euler discretion produces a Neimark-Sacker bifurcation.Further
it draws the conclusion that the Euler discretion preserves the features of the Hopf bifurcation.