In this paper, we discuss and replenish Liouville formula of linear differential equation. 对线性微分方程(DE)中的刘维尔公式做了适当的补充和讨论。
This paper obtains a new oscillation theorem of high-order differential equation with damping. 本文建立了具有阻尼项的高阶微分方程(DE)新的振动定理。
The truncation errors in finite differential equation are corrected in solving the model. 在求解过程中,将有限差分法的截断误差进行了修正。
The existence and uniqueness about semilinear second-order differential equation are established by using global inverse function theorems. 本文利用整体反函数理论,研究了半线性二阶微分方程(DE)周期边值问题,给出了周期解存在唯一性的充分条件。
At last, an application of this problem in partial differential equation is also discussed. 最后,给出了上述问题在偏微分方程(DE)方面的一个应用。