уравнение Матье THE AVERAGING METHOD, A PENDULUM WITH A VIBRATING SUSPENSION: N. N. BOGOLYUBOV, A. STEPHENSON, P. L. KAPITZA AND OTHERS The main moments of the historical development of one of the basic methods of nonlinear systems investigating (the averaging method) are traced. This method is understood as a transition from the so-called exact equation: Read more about THE AVERAGING METHOD, A PENDULUM WITH A VIBRATING SUSPENSION: N. N. BOGOLYUBOV, A. STEPHENSON, P. L. KAPITZA AND OTHERS
