// the following is using the actuator dynamics given in Beaver.
// the actuator dynamics for Twin Otter are still unavailable.
x1 = x1prev +(-10.951*x1prev + 7.2721*x2prev + 20.7985*x3prev +
// the following is using the actuator dynamics given in Beaver.
// the actuator dynamics for Twin Otter are still unavailable.
x1 = x1prev +(-10.951*x1prev + 7.2721*x2prev + 20.7985*x3prev +