“…The computational methods for optimal control problems have been studied by several researchers. For example, you can see Wu et al (2008), El-Kady et al (2003, Salama (2006), Dooren and Vlassenbroeck (1982), Razzaghi and Elnegar (1994), Elnagar and Khamayseh (1997), Elnagar and Zafiris (2005), El-kady and Elbarbary (2002), Yousefi et al (2010), Marzban and Razzaghi (2003), Lakestani et al (2006), Elnagar et al (1995), Hager (1990), Polak et al (1993), Elnagar and Kazemi (1998), Elnagar and Razzaghi (1997), Marzban and Razzaghi (2004), Khellat (2009), Razzaghi and Marzban (2002), Razzaghi (2009), Razzaghi and Elnegar (1994) and references therein (see also Razzaghi and Sepehrian, 2004;Navabi et al, 2008;Yousefi et al, 2011;Baleanu et al, 2009;Agrawal, 2008;Agrawal and Baleanu, 2007).…”