The particular solutions to one kind of systems of second order differential equations with constant coefficients;
一类二阶常微分方程组的特解公式
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.
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。
According to the source characteristics and the desired illumination on the target plane,a set of differential equations were detruded based on the existing theoretical model by using the solid coordinate system and the energy conservation theory.
根据已知的光源发光特性和所需实现的照明面上的光分布,基于理论模型,结合立体坐标系和能量守恒定理,推导得到微分方程组。
Based on the differential equations and the system of difference equations,the mathematical model of the procedure of the resonant rise of thyristor parallel resonant intermediate frequency power supply was established,then the analytical solutions of the transient and steady state variables were obtained.
以微分方程和差分方程组为基础,建立了全桥并联补偿晶闸管中频电源主回路启动由瞬态至稳态工作过程的数学模型,并得到了瞬态和稳态各状态变量的数学解析解,用M athem atica进行的仿真计算结果与实际相符,验证了这种建模与仿真方法的正确性,最后对这种方法的应用进行了讨论。
A class of linear hyperbolic equations with discontinuous coefficients was transformed into equivalent integral equations.
将一类具有间断系数的线性双曲型方程组转化成等价的积分方程组,并通过逐次逼近法证明了其Cauchy问题一定存在着唯一的连续解,且此解在系数间断处可能存在弱间断,而在其他区域处处连续可微的结论。
Getting the solutions to differential equation group is very difficult and complex.
关于微分方程组求解问题,是很困难和很复杂的事。
The application of linear differential equation group is rather widespread in many domains,such as physics chemistry and so on.
线性微分方程组在物理、化学等领域的应用相当广泛,线性微分方程组的求解就显得相当重要了。
おn this paper,the oscillation of the solutions of the neutral nonlinear differential systems with positive and negative coefficient is discussed.
应用具有正负号系数微分不等式解振动的判别准则，研究了具有正负号中立型非线性微分方程组解的振动性，获得了其解振动的判别准则。
In this paper,the oscillation criteria for solutions of the variational advanced differential inequalities are used to obtain oscillation criteria of all solution of the linear variational advanaced differential system
本文应用偏差变时超不等式解振动的判别准则，研究了几类线性偏差变时超微分方程组解的振动性，获得了其解振动的判别准则。
characteristic equation of differential equation system
微分方程组的特征方程
nonhomogeneous linear system of differential equations
非齐次线性微分方程组
This is called a normal system of differential equations.
这称为正规微分方程组。
Particular Solution for a Class Riccati Equation on System of Differential Equations of First Order
用一阶微分方程组求Riccati方程的特解
On the Numerical Hopf Bifurcations for Delay Differential Equations;
时滞微分方程组的数值Hopf分支分析
Basic Finite Element Water-Hammer Partial Differential Equations Numerical Simulation and Inversion;
水锤偏微分方程组有限元方法正反演
A Feature Analysis of Numerical Solution for Partial Differential Equations;
偏微分方程组数值解奇异性特征分析
L~p-STABILITY OF A CLASS NONLINEAR FRACTIONAL DIFFERENTIAL EQUATIONS
一类分数阶微分方程组的L~p稳定性
Differential Operator Method in Solving the Group of Constant-coefficient Non-homogeneous Liner Differential Equations
常系数非齐次线性微分方程组的微分算子解法
The Positive Solutions for High-Order Nonlinear Ordinary Differential Systems;
高阶非线性常微分方程组的正解问题
Applications of Nevanlinna Theory in the Systems of Complex Differential Equations;
Nevanlinna理论在复微分方程组中的应用
Researches on the Solutions of One Type of Systems of Higher-order Complex Differential Equations;
关于一类高阶复微分方程组解的研究
Existence of Positive Solutions of Boundary Value Problems for Systems of Ordinary Differential Equations;
常微分方程组边值问题正解的存在性
Inversing the Linear Homogeneous Differential Equation System by Drazin;
用Drazin逆解线性齐次微分方程组
A Way of Constant Coefficient Homogeneous Linear Differential Equations;
常系数齐线性微分方程组的一种解法
A solution method for certain differential equations with constant coefficients;
带常系数某类微分方程组的一种解法
The structure theorem of solution of the system of differential equation (dX)/(dt) = AX;
微分方程组(dX)/(dt)=AX解的结构定理
overdetermined system of partial differential equations
偏微分方程的超定组