Comment on “Theoretical Analysis and Circuit Verification for Fractional-Order Chaotic Behavior in a New Hyperchaotic System”

Table 1

Lyapunov exponents of system (1) with different sampling and observation times for , , , and .

Sl. number	Initial condition	Time	Step size	Lyapunov exponents
1	0.2, 0.05, 0.08, 0	500	0.02	0.0050, −0.1406, −0.3663, −40.4492
2	0.2, 0.05, 0.08, 0	300	0.05	0.0033, −0.1401, −0.3692, −40.5024
3	0.2, 0.05, 0.08, 0	1000	0.02	0.0028, −0.1405, −0.3671, −40.5025
4	0.2, 0.05, 0.08, 0	10000	0.02	0.0002, −0.1403, −0.3710, −40.5025