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- undetermined coefficient law 待定系数法
- By using the undetermined coefficient method, a new scheme is derived from the HAUC2 scheme to simulate the two dimensional convection-diffusion equation. 摘要运用待定系数法,建立了求解二维对流扩散方程的HAUC2格式。
- A compact type high-order difference method based on symmetry undetermined coefficient is presented for the solution of the two dimensional Poisson equation. 利用对称性和待定系数的基本思想,提出了数值求解泊松方程的一种新的高阶紧致差分方法,构造了二维泊松方程的四阶和六阶紧致差分格式。
- 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. 摘要二阶常系数非齐次线性微分方程的特解一般都是用“特定系数”法求得的,但求解过程都比较繁琐。
- Use a level to master intertropical crop land well and truly and find out its to restrict an element, the article used coefficient law to undertake evaluating an analysis. 为了客观准确地掌握热带作物土地利用水平并找出其制约因素,文章采用系数法进行了评价分析。
- the undetermined coefficient method 待定系数法
- Descartes's solution of a depressed quarto equation employs the method of undetermined coefficients. 笛卡儿的分解四次方程的解法采用待定系数。
- The method of undetermined coefficients is the general method of solving a linear differential equation with constant coefficients of the second order. 摘要二阶常系数线性微分方程可用常规方法待定系数法求解。
- method of undetermined coefficient 待定系数法, 未定系数法
- Undetermined coefficients and variation of parameters for second and higher order differential equations. 二阶与高阶齐次与非齐次微分方程式的解法;
- the method of undetermined coefficient 待定系数法
- The functional relation of flowing coefficient with flowing pressure was described as a parabolic function, and a new type of inflow performance relationship which contained 3 undetermined coefficients was setup. 摘要假设油井流动系数为二次抛物线函数,建立了包含3个待定系数的新型通用油井流入动态方程。
- In this paper, the unified structure method on some symmetrical type multinomial partition base is given; the unified partition program of multinomial is established by using the method of undetermined coefficients. 摘要给出了不同对称类型多项式分拆基的统一构造方法,以逐步待定系数法为基础,编制了多项式统一分拆程序。
- By this model, the real-time optimal control of a central air-conditioning system with complicated equipment models, more undetermined coefficients, and difficult selection for optimization initial values can be achieved. 解决了由于空调系统设备模型复杂、待定系数数量多、优化方法初始值选取不当等因素引起中央空调水系统的实时优化控制问题。
- The law provides that these ancient buildings must be preserved. 法律规定,这些古老的建筑应该保存。
- The police are responsible for the enforcement of the law. 警察负责执法。
- method of undetermined coefficients 比较法,待定系数法
- Approach of undetermined coefficients 待定系数法
- the method of undetermined coefficients 待定系数方法
- Every citizen should be obedient to the law. 每个公民都应当是遵守法律的。