Certain nonlinear equations have been extensively studied and the solutions and stability properties are well understood. One such equation is Lidnard's equation. It is studied here because it is able to represent a wide class of simple but important nonlinear physical problems.

Inspec keywords: nonlinear control systems; nonlinear equations; stability

Other keywords: nonlinear equations; stability properties; nonlinear physical problems; Lienard equation

Subjects: Nonlinear and functional equations (numerical analysis); Nonlinear control systems