The integral differential equation solution technique is used.
采用了积分一微分方程求解技术。
x as a function of time, and when you have the correct solution x and you substitute that back into that differential equation, that equation will have to be satisfied.
根据时间的变化，x，is，，of，course，，changing，in，some，way,发生相应的变化，当你得到了,和时间的正确关系，for，x，as，a，function，of，time,你把它代入,这个微分方程，这个等式，就能得到满足。
In this paper a new method of modeling forecasting is given for the time series by using the numerical solution of differential equation.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。
This paper gives an exact solution for free vibration of a physically nonuniform straight bar with varying section by the use of a class of integrable linear ordinary differential equation.
本文应用可积的一类线性微分方程求出了非均质变截面弹性直杆振动问题的一个精确解，我们应用这一精确解验证了渐近解的精确度。
This paper mainly deals with the solution to the linear differential equation that can be changed into the one with constant coefficients.
本文主要探讨可化为常系数的线性微分方程的求解问题。
In this paper, the numerical solution of differential equation is employed to establish the forecasting model of the time series.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。
It is very difficult to get analytic solution except some very specific cases for the model owing to nonlinear partial differential equation.
由于非饱和流动的数学模型归结为非线性的偏微分方程，除了一些很特殊的情况外，很难得到解析解。
After analyzing the conventional time-inverse overload protection of the motor, the paper presents a new thermal overload protection scheme basing on the solution of a differential equation.
在分析电动机传统的反时限过负荷保护的基础上，提出一种基于解微分方程的过负荷保护新方案。
It is proved that if the medium is piecewisely homogeneous, the solution of the differential -integral equation satisfies the boundary conditions on boundaries between different media.
证明了在介质为分区均匀的条件下，这个微分-积分方程的解满足不同介质边界面的边界条件。
According to the diffusibility of the photons transmission, numerical solution of photon transmission partial differential equation was deduced with finite element.
依据光子传输的扩散性，用有限元法导出光子传输扩散偏微分方程的数值解。
Methods Build up differential equation under the circumstance of the market no arbitrage. Analyze and work out the solution of equation.
方法在市场无套利条件下建立随机微分方程，运用鞅论、随机分析的方法分析并求解方程。
A high accuracy algorithm for numerical solution of nonlinear partial differential equation (PDE) is suggested combining wavelet collocation method with generalized energy integral.
将小波配置法与广义能量积分相结合，提出了一种求解非线性偏微分方程的高精度数值方法。
The solution of A-harmonic equation and the differential forms have many affinities.
调和方程的解与微分形式之间有着密切的联系。
The algorithm for a class of optimal control problem where the state variables are the weak solution of an elliptic partial differential equation is studied.
研究一类最优控制问题的求解方法，其状态变量是某一种椭圆型偏微分方程的弱解。
This paper also gives the differential equation of the nonlinear vibration model, and obtains its asymptotic solution by means of singular perturbation methods.
文中给出了这一非线性振动模型的微分方程，并用奇异摄动法求得了渐近解。
A general solution to differential equation for deflection function in bending problem of orthotropic rectangular thin plate on elastic foundation is established.
建立了弹性地基上的正交异性矩形薄板弯曲挠度函数微分方程的一般解。
Axisymmetric elasticity problem of cubic quasicrystal is reduced to a solution of a partial differential equation with higher-order by introducing displacement function.
本文通过引入位移函数使得立方准晶的轴对称弹性问题化为求解一高阶偏微分方程。
In this paper, we found Large-scale cave and shaft connected Test partial differential equation model, and obtain its analytical solution by orthogonal transformation metho.
提出了溶洞和井筒连接的试井偏微分方程数学模型，并采用正交变换法得到了其解析解。
A general solution of differential equation for free vibration displacement function of compressed rectangular thin plates on two parameters elastic foundation is established.
建立了双参数弹性地基上受压的矩形薄板自由振动位移函数微分方程的一般解，其中积分常数由边界来确定。
A general solution of the differential equation for transverse displacement function of orthotropic rectangular thin plates in free vibration is presented in this paper.
本文建立了正交异性矩形薄板自由振动横向位移函数微分方程的一般解。
A general solution of differential equation for deflection function in bending problem of orthotropic rectangular thin plate on elastic foundation is established in this paper.
建立了弹性地基上的正交异性矩形薄板弯曲问题挠度函数微分方程的一般解。
The ultimate bond strengths of NSM CFRP strips to concrete have been obtained based on a numerical solution of bond differential equation.
利用数值法，解cfr P板嵌贴自由端开始滑移时的粘结微分方程，求得混凝土表层嵌贴CF R P板极限粘结承载力。
The fist integration is mainly used tO form the initial value solution of fist order quasi-linear partial differential equation.
本文主要用首次积分法构造一阶拟线性偏微分方程始值问题的解。
After partial differential equations was changed into cubic algebraic equation, accurate solution of the structure was able to be obtained.
将偏微分控制方程化为三次代数方程，获得结构内力的精确解。
This paper discusses and introduces several kinds of commonly used model of stochastic differential equation and the method of solution in the groundwater movement.
该文探讨和介绍了地下水运动中几类常用的随机微分方程模型与求解方法。
In This paper, linear steady analysis is Made from the solution of non-linear differential equation and Luther, the situation of steady state or non-steady state is discussed.
本文从非线性微分方程的解过渡到线性稳定分析，从而讨论出稳定态与非稳定态的情况。
This paper discusses the problem of periodic solution of singular differential equation with delay.
本文讨论退化时滞微分方程的周期解问题。
By suing coincide degree theory, this paper discusses the existence of periodic solution for a kind of differential equation with several delays.
利用重合度理论讨论一类多个时滞微分方程的周期解的存在性。
By suing coincide degree theory, this paper discusses the existence of periodic solution for a kind of differential equation with several delays.
利用重合度理论讨论一类多个时滞微分方程的周期解的存在性。
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