//for the jet power executive aircraft(CJ-1): b=16.25;//wingspan(meter) S=29.54;//wingarea(m^2) AR=b^2/S;//aspect ratio D=1.225;//density at sea level(Kg/m^3) W=88176.75;//normal gross weight(N) f=1119;//fuel capacity Tf=16245;//thrust (N) provided by single turbofan engine Sf=0.102;//specific fuel consumption(N/(hp.h)) Cdo=0.02;//parasite drag coefficient e=0.81;//oswald efficiency factor V=linspace(40,300,500);//velocity over which we have to find thrust(40 to 300 m/s and over 500 points)