“…There are many classical chaotic systems such as Chen's system (Chen and Ueta, 1999), Lu-Chen system (Lü and Chen, 2002), Wang (2009) system, etc. There are many novel chaotic systems such as Vaidyanathan systems (Vaidyanathan, 2014a(Vaidyanathan, , 2014c(Vaidyanathan, , 2015b(Vaidyanathan, , 2015i, 2015r, 2016a(Vaidyanathan, , 2016b(Vaidyanathan, , 2016c(Vaidyanathan, , 2016dPakiriswamy, 2016a, 2016b;Vaidyanathan and Rajagopal, 2016;Vaidyanathan and Boulkroune, 2016;, 2015b, 2015c, 2015d, Pehlivan system (Pehlivan et al, 2014), Sampath system (Sampath et al, 2015;Sampath and Vaidyanathan, 2016), Pham systems (Pham et al, 2015a(Pham et al, , 2016a(Pham et al, , 2016b(Pham et al, , 2016c, Tacha system (Tacha et al, 2016), Akgul system (Akgul et al, 2016), etc.…”