Fig. 8From: Paradoxes in dynamic stability of mechanical systems: investigating the causes and detecting the nonlinear behaviorsNumerical integration of the equations of motion (\(\mu =0.5, \alpha =0, x_{1}\left(0 \right)=-x_{2}\left(0 \right)=0.03, {\dot{x}}_{1}\left(0 \right)={\dot{x}}_{2}\left(0 \right)=0\)): a trajectory in the \((x_{1},x_{2})\)-plane; b trajectory in the \(({\dot{x}}_{1},{\dot{x}}_{2})\)-planeBack to article page