本文用待定系数法证明拉格朗日定理与柯西定理。
In this paper, we present the proofs of Lagrange Theory and Cauchy Theory. By this method we may determine coefficient.
本文提出了寻求非线性演化方程的对偶算子的待定系数法。
A to be determined coefficient method for finding dual operators of hierarchies of non-linear evolution equations is proposed.
本文提出了寻求非线性演化方程的对偶算子的待定系数法。
This paper deals with the dual Toeplitz operators on the orthogonal complement of the Fock space.
介绍了笔者在流量计量实践中所用过的逼近法和待定系数法。
The author describes the approximation and method of undetermined coefficients used in the practice of flowrate measurement.
将有理函数分解为部分分式的难点就是确定部分分式中的待定系数。
The difficulty in decomposing rational function into partial fraction is to fix the undetermined coefficient in partial fraction.
运用待定系数法，建立了求解二维对流扩散方程的HAUC2格式。
By using the undetermined coefficient method, a new scheme is derived from the HAUC2 scheme to simulate the two dimensional convection-diffusion equation.
然后，进行数学模型计算结果与岩样实验数据拟合，确定了数学模型中的待定系数。
Then undetermined parameters in mathematic model are confirmed by fitting mathematic model results to rock experiment data.
通过三个矢量方程组，系统地归纳了小扰动理论应用于多排叶片时各待定系数的关联方程。
By means of a three vector equation system, the correlative equations of the undetermined parameters are thus deduced when the small disturbance theory is applied to multiple blade rows.
在此基础上，利用相关理论对该流场进行分析，确定出该堆积粉尘状态方程中的待定系数。
Based on experiments and shock polar analysis, the constitutive equations of granular material were determined and calculations were performed.
二阶常系数非齐次线性微分方程的特解一般都是用“待定系数”法求得的，但求解过程都比较繁琐。
In general, special solution of non-homogeneous linear equation of constant coefficient of the second order is obtained by the method of undetermined coefficient, but it's process is too complicated.
同时，利用内孔边界条件，建立待定系数间的关系式，以减少待定系数的数目，并且只需要在外边界配点。
In addition, by using the hole edges conditions, the relationship between undefined coefficients is set up, to reduce the number of those coefficients, and only the boundary collocation is needed.
利用待定系数法得出了三元二次多项式可进行因式分解的充要条件，并应用这个充要条件解决了两个具体问题。
In this paper a suffitient and necessary condition of factoring on the polynomial of three variables power two is obtained by using undefinite co efficient method.
利用部分分式求有理函数的积分时，确定部分分式的系数的计算量很大，举例介绍如何确定部分分式的待定系数。
Abstract:The solutions to determine the undetermined coefficients of partial fraction in the rational function integral is introduced.
针对一维扩散方程，给出一种新型差分格式的待定系数法，并以两种新型差分格式为例进行稳定性和截断误差分析。
Taking one-dimensional diffusing equation as the object of study, a method of undetermined coefficients was given. Then gave two examples and analyzed their stability and truncation error.
并分析了待定权函数系数的求法，即结合有限元计算混合型裂缝应力强度因子方法求出待定的权函数系数，继而得到了矩阵型权函数。
The method to get the constant coefficients of weight functions is also analyzed, which is based on the SIFs by finite element method.
并分析了待定权函数系数的求法，即结合有限元计算混合型裂缝应力强度因子方法求出待定的权函数系数，继而得到了矩阵型权函数。
The method to get the constant coefficients of weight functions is also analyzed, which is based on the SIFs by finite element method.
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