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- power series reduction method 幂给数缩减法
- Series solutions: power series solutions of differential equations, Frobenius method, special functions. 评量方法自行设计测验,作业/习题练习,课堂讨论,课程参与度(出席率)
- Series solutions: power series solutions of ODEs, Frobenius method, special functions. 评量方法自行设计测验,作业/习题练习,课堂讨论,课程参与度(出席率)
- In this paper, an extended order method (EOM) is derived for solving the nonlinear problem which can be expanded in a power series. 针对可展成幂级数形式的非线性特徵问题,提出了一种通过初始系统矩阵的扩阶来使原非线性问题线性化的扩阶方法。
- A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient. 用比较直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式;并得到了计算傅立叶系数的一种简便方法.
- Thus a comb notch filter based new interference reduction method is proposed. 文中提出了一种梳状陷波器干扰抑制新方法。
- Based on the theory of modal superposition and power series expansion, a modal superposition method for the sensitivity analysis of FRF is proposed in this paper. 基于模态展开和幂级数展开原理,提出了一种频响函数灵敏度分析的模态展开法。
- This paper describes principle,technical conditions and main equipment of the production of industrial zinc power for electrothermal reduction method,the economic benefit is analyzed. 介绍了电热还原法生产电炉锌粉的原理、工艺技术条件、主要设备等,对其经济效益进行了分析。
- Cool!! Quite nice conclusions about some basic geometric and power series!! 酷!关于一些基本的几何与幂级数很漂亮的结论。
- The paper also gives a rule reduction method to make the results succinct and understandable. 此外 ,还提出了一种分类规则约简方法 ,使挖掘的结果更简洁、更易理解
- Superoxide (O-2) from zymosan-stimulated neutrophils of rat was measured by NBT reduction method. 用NBT还原法测酵母多糖A刺激大鼠中性白细胞产生的O2-;
- The process of replacing polynomials by formal power series is an example of a general device known as completion. 用形式幂级数来代替多项式的过程是被称之为完备化的这种一般手段的一个例子。
- Superfine silver powder was prepared by water-hydrazine hydrate chemical reduction method. 介绍了电子浆料用超细银粉的研制,采用的是水合联氨化学还原工艺。
- As yet, a variety of approaches, such as the perturbation method, power series expansion, angular spectrum representation and integral solution of the wave equation etc. have been proposed to treat the beam propagation behavior beyond the paraxial regime. 迄今已提出许多方法 ,例如微扰法、级数展开法、算子法、角谱分析法和波动方程积分解等方法 ,用以研究光束的非傍轴传输行为。
- An energy reduction method for screw feeder of defibrator was described based or related theory. 依据理论得出螺旋进料器降能的方法,该方法可用于热磨机的改造之中,实践证明这种方法是可行的。
- This thesis investigated firstly the synthesis of ultrafine nickel powders by liquidphase reduction method. 本文首先研究了液相还原法制备超细镍粉。
- The main result in this thesis is the generalisation of Bergman's diamond lemma for ring theory to power series rings. 由于石化能源价格高涨的冲击,如何制造更省油、更有效率的推进系统成为航空业的重要课题。
- A system model reduction method based on regional pole and covariance equivalent is proposed. 文中提出了一种基于极点分布和输出协方差匹配的随机系统模型降阶方法。
- The decimal equivalent of a binary number can be found by expanding it into a power series with a base of 2. 一个二进制数字可以通过扩大以2为基准的幂级数来等同于十进制。
- CNP and ET in plasma were detected by RIA and NO in serum were detected by cadmium reduction method. 结果:冠心病组血浆CNP、ET含量均明显高于正常对照组(分别为P<0.;01;P<0