But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.
但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.
从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。
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。
It includes the following aspects:adopting the Partial Differential Equation and Neighborhood Average smoothing methods to reduce image noises.
采用图像相加、偏微分、邻域平均等方法来消除图像噪声；
There are two methods according to equation form in electromagnetic scattering numerical analysis: one is integral equation method, the other is differential equation method.
电磁散射数值分析方法根据方程形式可分为两种：一种是积分方程法，另一种是微分方程法。
Time-domain methods include the time-domain differential equation (TDDE) method and the time-domain integral equation (TDIE) methods.
时域方法又可以分为时域积分方程（TDIE）方法和时域微分方程（TDDE）方法。
Based on the dynamic differential equation, the calculating methods of the continuous and hinged elastic base beams under the action of moving loads with uniform speed are studied in the paper.
从动力学微分方程出发，研究了匀速移动载荷作用下弹性基础连续梁和弹性基础铰接梁的计算方法。
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。
Differential equation of motion control of the cracked beam is set up using this model, so that the same analytical methods are applied as crack-free structure for the cracked.
用此模型建立裂纹梁运动控制微分方程，这样，对于含裂纹结构可采用与无裂纹时同样的分析方法。
The paper has used concise methods of logical analysis and reasoning to describe the relation between the first-order quasilinear partial differential equation and its system of characteristic...
对一阶拟线性偏微分方程与其特征方程组的关系，文中给出了简洁的逻辑分析和推导方法。
The stability of general linear methods for a nonlinear multi-delay differential equation;
讨论非线性变延迟微分方程初值问题一般线性方法的稳定性。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
应用推荐