Bounded Solutions of the Second Order Differential Equation x ?+f(x) x ?+g(x)=u(t)
Boundedness of solutions
Second order ordinary differential equations
Systems of differential equations
limit cycles.
In this paper we prove the boundedness of the solutions and their derivatives of the second order ordinary differential equation x ?+f(x) x ?+g(x)=u(t), under certain conditions on f,g and u. Our results are generalization of those given in [1].
