By means of variable substitution and iterative method, this paper puts forth some new higher-order differential equations, and gives their formula of reduction of integrals to common denominator.
借助变量代换、迭代等方法，提出几类新的高阶常微分方程，给出其相应的通积分公式。
In this paper, we study oscillation and asymptotic behavior of solutions of higher order nonlinear differential equations, and give necessary and sufficient conditions for oscillation.
在本文中，研究了高阶非线性微分方程的振动性与渐近性，给出了振动的充要条件。
In this paper, we investigate growth problems of solutions of a type of homogeneous and non-homogeneous higher order linear differential equations with entire coefficients of iterated order.
本文研究一类高阶线性齐次与非齐次迭代级整函数系数微分方程解的增长性问题。
In this paper we study the forced oscillations of boundary value problems of a class of higher order functional partial differential equations.
本文研究一类高阶泛函偏微分方程边值问题的强迫振动性。
Using linear transform, the simple proof for solution of higher order linear differential equations was given.
利用线性变换，统一给出常系数线性方程齐次通解和非齐次特解解构造定理的简化证明。
The asymptotic behavior for a class of higher-order delay partial differential equations be investigated in this paper, some asymptotic behavior be established, which expanded some references.
利用变形边界函数法与上下解方法，研究了一类具非线性边界条件的半线性时滞微分方程边值问题，得到了此边值问题解的存在性的充分条件。
ODE45 Solve differential equations, higher order method.
ode45解决微分方程，高阶的方法。
ODE45 Solve differential equations, higher order method.
ode45解决微分方程，高阶的方法。
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