The Application of the Undetermined Fundamental Frequency Method on the Period-Doubling Bifurcation of the 3D Nonlinear System

Figure 1

Projections on (𝑧,𝑥), (𝑥,𝑦), and (𝑦,𝑧) plane of the first period-doubling bifurcation.

(a)

(b)

(c)