Fig. 6

Lyapunov exponent pattern of system Eq. (26) for \(\:w=1,q=1,a=1,v=2.6,u=1.5,A=1.736\:and\:\phi\:=3.2\) with initial value (0.11, 0.52).

Lyapunov exponent pattern of system Eq. (26) for \(\:w=1,q=1,a=1,v=2.6,u=1.5,A=1.736\:and\:\phi\:=3.2\) with initial value (0.11, 0.52).