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- The nonlinear differential equations are solved using finite difference method. 用有限差分法求解非线性微分方程组。
- The overwhelming majority of nonlinear differential equations are not soluble analytically. 绝大多数非线性微分方程是不能用解析方法求解的。
- This paper is devoted to study the oscillation of second order nonlinear differential equations with impulses. 摘要对二阶非线性脉冲微分方程的振动性给出了充分判据。
- The FEL-2-A which is based on the single-particle theory is composed of a set of nonlinear differential equations. FEL-2-A程序是由一组耦合非线性微分方程组构成的。
- The equations are extra nonlinear differential equations. The dexter function is not continuous in field of real number. 该方程右边的函数在实数域内不连续，是一个高度非线性微分方程组。
- The sufficient conditions of impulsive exponential stabilization for a kind of nonlinear differential equation are obtained. 具体研究了一类分离变量型非线性常微分方程的脉冲镇定问题，得到了该方程可脉冲指数镇定的充分判据。
- In the first chapter , the author is devoted to the study of oscillation of second-order nonlinear differential equations with impulses. 本文在第一章中，主要就二阶非线性脉冲微分方程的讨论，对其振动性给出了充分判据。
- We discuss the existence of asymptotically periodic solutions for a class of nonlinear differential equations combining dissipative type conditions. 结合耗散型条件;讨论一类非线性微分方程渐近概周期解的存在性.
- This paper gives a theorem for the spread of Gronwall inequality and that for the error estimation of the solution to nonlinear differential equation system. 给出了Gronwall不等式的一个推广定理和非线性微分方程组的解的误差估计定理。
- Asymptotic behaviour of solutions for forced nonlinear differential systemswith distributed delays is discussed.The reults of [6] is extended and delightfull result is obtained. 研究了一类带有强迫项的具有连续型滞量的非线性微分方程组解的渐近性。进一步推广了文[6]中的主要结果,得到了系统的解趋于零的充分条件。
- The motion of plunger of oleo damper excited by colored Gaussian noise with exponential correlation time is governed by first order nonlinear differential equation. 摘要油液阻尼器受指数型高斯色噪声外激励时，活塞在油腔内的运动可用一阶非线性动力学方程描述。
- Oscillation of a kind of second order nonlinear differential impulsive equation(The equation is abbreviated), is studied and some sufficient conditions are obtained. 摘要用黎卡堤变换研究如下二阶非线性脉冲微分方程(方程式略)得到了两个判断方程振动的充分条件。
- Using the auxiliary function,studies the boundedness of solutions of a kind of 2-order nonlinear differential equations with delay,then gives sufficient conditions of them. 利用辅助函数对一类二阶非线性微分方程进行研究,给出了其解有界的充分条件。
- The general nonlinear differential equations of motion were deduced by using the second kind Lagrange's equation for the system with two degrees of freedom. 利用第二类拉格朗日方程，推导出二自由度系统的通用运动非线性微分方程。
- The existence of local integral solutions for a class of nonlinear differential inclusionis obtained, where the nonlinear term is an m-accretive operater with condensing perturbation. 本文得到了一类由m-增生算了及凝聚扰动生成的非线性微分包含积分解局部存在定理。
- Numerical simulations of a threephase short circuit fault, load disturbances and parameter perturbations demonstrated that the performance of the improved ADRC is similar to that of the nonlinear differential geometry control method. 基于三相短路故障、负荷扰动和参数变化的数字仿真实验显示 ,改进的 ADRC与微分几何方法的控制性能相当。
- We present a more realistic model which involved in long-range electrostatic interaction between DNA and its counterions, and a coupled nonlinear differential system is esta-blished. 然后考虑DNA和抗衡离子的长程库仑作用及界面影响,计入水合层的阻尼作用及有关的耦合,自然地计算了DNA、水合层以及它们之间的静电相互作用,提出了一个更符合实际的模型,得到DNA和第一水合层系统的二阶非线性微分方程。
- In this paper, a few nonoscillation criteria are presented for a clas sof second order nonlinear differential equations, which are supposed to be the developmentof the results by lynn H. Erbe. 本文用能量函数方法得到了一类二阶非线性微分方程的几个非振动准则,推广了Lynn H Erbe的结果。
- In this paper, the results extending Bellman-Bihari inequality by author were used to discuss the boundedness and the stability of solutions of several systems of nonlinear differential equations. 本文利用笔者对Bellman-Bihari不等式的推广结果(引理1和引理2),来讨论几类非线性微分方程组的解的有界性和稳定性。
- In this paper,we study oscillatory properties of the second order nonlinear differential equations by using the Euler equation,and obtain the conditions of both oscillation and nonoscillation for the equations. 利用Eu ler方程研究了一类二阶非线性微分方程的振动性质;得到这类方程的振动与非振动的条件.
