The investigation of nonlinear oscillation is very important for the nonlinear science. Many methods have been advanced to study weakly nonlinear system, including multiple scale method, KBM method, averaging method, and so on.
英
美
- 非線(xiàn)性振動(dòng)理論是非線(xiàn)性科學(xué)的一個(gè)重要研究?jì)热?，對于弱非線(xiàn)性常微分方程控制的動(dòng)力系統已經(jīng)有了許多求近似解的方法，如多尺度法、KBM法、平均法等等。
