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Bounded Solutions of the Second Order Differential Equation x ̈+f(x) x ̇+g(x)=u(t) | ||
| Baghdad Science Journal | ||
| Article 1, Volume 12, Issue 4, 2015, Pages 822-825 | ||
| Authors | ||
| ; Saad N. Al; mh A. Abid; Zainab M. Joudha | ||
| Abstract | ||
| 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]. | ||
| Keywords | ||
| Boundedness of solutions; Second order ordinary differential equations; Systems of differential equations; limit cycles | ||
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