获得了一类带有连续和分段常数变元的中立型微分方程所有解振动的新的充分条件。
The new sufficient conditions for the oscillation of all solutions of the neutral differential equation with continuous and piecewise constant arguments are obtained.
利用染色函数解法求解膛内弹上气室气流的一阶非线性分段微分方程组，进行了大量的数值试验，证实数值解是收敛的，也是稳定的。
The numerical solution of chromosome-function was applied for a lot of first order differential equations for the chamber on the projectile in bore of a gun.
目的研究一阶具有分段常数变量的脉冲微分方程的解的性质。
Objective to investigate characters of the solution to first order impulsive differential equations with piecewise constant arguments.
其中第一类为分段连续的时滞微分方程，简称为epca。
One of them is piecewise continuous argument delay differential equation, simply called EPCA.
利用分段点处电流、电压应用解微分方程算法即可较精确地计算出线路阻抗。
The differential equation algorithm can accurately calculate the impedance from the splitting point to the fault point.
通过构造差分方程的周期数列解，研究了一类具有分段常数变元的脉冲微分方程周期解的存在性。
The existence of periodic solutions for a class of impulsive differential equations with piecewise constant argument is studied by constructing periodic sequence solutions of difference equation.
本文研究分段常数变量线性中立型泛函微分方程的振动性。
In this paper, we consider the oscillatory properties of neutral linear variable functional differential equation with piecewise constant delays.
文章将建立了具有分段常数滞后变元微分方程组振动的一个充分条件，并讨论其非振动解的渐近性。
The present paper is devoted to the oscillations and nonoscillations of a kind of impulsive delay differential equations with piecewise constant argument.
用分段级数解法计算电磁轨道炮的外弹道诸元，与微分方程计算出的外弹道诸元进行对比。
Exterior trajectory curves computed through subsection series method are given to be compared with the curves from differential equations.
用分段级数解法计算电磁轨道炮的外弹道诸元，与微分方程计算出的外弹道诸元进行对比。
Exterior trajectory curves computed through subsection series method are given to be compared with the curves from differential equations.
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