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1)  grey algebraic equation
灰代数方程
2)  system of grey algebraic equations
灰代数方程组
3)  algebra equation
代数方程
1.
The relationship between the complex roots of an algebra equation F(x) = 0 and the figure of function y =F(x) in a real plane was revealed.
研究了实系数代数方程的复数解发生变化时实平面上y=F(x)几何图形的变化。
2.
Solving the high order algebra equation with real or complex coefficients.
求解高次实复系数代数方程的根,提出了一种改进的差分进化算法,计算种群中每个个体的适应度并排序,利用二分之一规则选取个体,并引入自适应差分变异算子和进化策略重组算子。
4)  algebraic equation
代数方程
1.
A new numerical method for extracting the roots of algebraic equations;
代数方程求根的一个新的数值解法
2.
Regularity of algebraic equation of generalized complex number.;
平面泛复数中代数方程根的规律
5)  algebraic equations
代数方程
1.
The finite difference method approximatively takes a set of algebraic equations of deflection being an unknown quantity as a set of differential equations of deflection curve and calculates the set of algebraic equation ,so the deflection of a point.
由于变截面梁在受到复杂载荷作用时,其微分方程数学描述复杂,推导和计算困难,有限差分法采用一组以挠度为未知量的代数方程,近似地代替挠曲线的微分方程,通过解这一组代数方程即可求得挠曲线上某点的挠度。
2.
This paper focuses on the number of algebraic equations,which describe the S-boxes of several famous block ciphers such as DES,AES,MARS and SERPENT.
研究了几种著名的分组密码体制的S盒所满足的代数方程的个数,如DES、AES、MARS、SERPENT等,分别计算出这几种分组密码的S盒从低次到高次的代数方程的个数,并把计算结果和理论极小值进行了比较。
3.
Ritt\|Wu′s method of characteristic sets is an effective method to solve algebraic equations by computer, while one cannot get the multiplicity of an isolated solution by this method so far.
 里特-吴特征集提供了用计算机解代数方程的有效方法,但迄今为止,还不能由这一方法给出孤立解的重数。
6)  algebraic Riccati equation
代数Riccati方程
1.
A robust H-infinity control scheme of output feedback based on an algebraic Riccati equation was presented to stabilize the closed loop system.
基于代数Riccati方程方法,提出了H∞鲁棒输出反馈控制方法,以使系统闭环控制稳定。
2.
By means of the positive-definite solutions of algebraic Riccati equations,the robust H ∞ dynamic output feed-back controller is constructed,under which the closed-loop systems are of internal stability and reduce the H ∞ norm of the trans-fer function from the disturbance to the controlled output to a prescribed level for all admissible uncertainties and all positi.
通过代数Riccati方程的正定解,给出了全维鲁棒H∞动态输出反馈控制器的设计,使得相应的闭环系统对一切时滞和所有允许不确定参数保持内稳定,并且闭环系统从扰动受控输出之间传递函数H∞范数不大于已知给定的指标值。
3.
In a large multihop sensor network,the controllers and the plants usually communicate via unreliable wireless channels,and the algebraic Riccati equation is modified because of the random packet losses.
在传感器网络中,控制器与被控对象通过不可靠无线网络通信,因此代数Riccati方程由于通信链路的随机丢包产生了新的参数。
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