Given that c is the positive root of the equation, c
已知 c 是方程式=之正根，求 c 的值。
The way of working out the problem of taking two line segments as the root of an equation is to link up monodic quadratic equation directly with geometry and establish the connection between them.
以两线段长为一元二次方程的根的问题的解法，是把一元二次方程与几何问题直接挂钩，沟通了几何与二次方程之间的联系。
This article introduced Newton iteration method's related concept, Newton iteration method's correlation theorem, as well as when solves the misalignment equation root the theory basis, the astringent analysis, the starting value selection rule and so on.
本文介绍了牛顿迭代法的相关概念，牛顿迭代法的相关定理，以及在求解非线性方程根时的理论依据，收敛性分析，初始值的选取规则等。
This program calculates the root of the quadratic equation with very common and simple algorithms.
这个程序能用非常普通和简单的算法来计算一个二次方程的根。
Not to return to the virtual root equation.
不返回方程的虚根。
There was a significant correlation between the depth of nasa oesophagus-tracheal introducer and the distance from the root of alae nasi to the tragus of ear(r=0.9118, P＜0.01), and the linear regressive equation was b=11.85+1.022a.
经鼻食管气管引导管的置管深度b与鼻翼根部至耳屏中点的距离a有十分显著的相关性(r=0.9118，P＜0.01)，直线回归方程式为b=11.85+1.022a。
The root locus technique is a graphical method of determining the location of the roots of the characteristic equation as any single parameter, such as a gain or time constant, is varied from zero to infinity.
根轨迹技术是当一个单一的参数，例如增益或者时间常数从零到无穷大变化时，确定特征方程的各个根的位置的图形技术。
UNIT 3 A:The Root Locus The root locus technique is a graphical method of determining the location of the roots of the characteristic equation as any single parameter, such as a gain or time constant, is varied from zero to infinity.
根轨迹技术是当一个单一的参数，例如增益或者时间常数从零到无穷大变化时，确定特征方程的各个根的位置的图形技术。
This is the C language, writing the procedures, as is common methods to seek the root equation.
这是用C语言用写的程序，内容是用普通的方法去求方程的根。
It is widely known that test power is reduced owing to the specification error of test equation while in testing the unit root hypothesis against a threshold autoregressive model as the alternative.
摘要在非对称的门限自回归模型下，由于传统单位根检验式的误设，会导致单位根检验势下降。
In this paper, beginning with the operator of preserved single-square-root equation, we achieve the formula transformation from common-shot domain to common-middle-point domain according to the theory of wavefield double downward continuation in prestack depth migration. Then we derive preserved-amplitude one-way wave equation defined by DSR equation.
为了方便求解，并能更清楚地认识到该方程中各项的物理意义，本文采用裂步傅里叶的双域方法对方程进行求解，从而得到适应纵、横向速度变化的基于双平方根方程的保幅地震偏移算子。
The paper builds long-run equilibrium equation and short-run error correction model on the base of exercising unit root test and cointegration test for Chinese long-run macro economical variable data series by conducting cointegration theory and method. With this model it can better explain the long-run equilibrium relation between Chinese national issuing scale and macro economical variable and influential factors of national debt short-run dynamic.
本文应用协整理论和方法，对1979年以来的我国长期宏观经济变量的数据序列进行了单位根检验与协整检验，建立了我国国债发行规模的长期均衡方程和短期误差修正模型，依据于此模型较好地解释了我国国债发行规模与宏观经济变量之间存在的长期均衡关系以及国债发行规模短期变动的影响因素，同时结果表明该模型也具有很强的预测功能。
Quadratic Equation Solver - This program calculates the root of the quadratic equation with very common and simple algorithms.
这个程序能用非常普通和简单的算法来计算一个二次方程的根。
The way of working out the problem of taking two l segments as the root of an equation is to link up monodic quadratic equation directly with geometry and establish the connection between them.
以两线段长为一元二次方程的根的问题的解法，是把一元二次方程与几何问题直接挂钩，沟通了几何与二次方程之间的联系。
In the second parts, a method on studying stochastic transition of the Fokker-Planck equation is introduced, how to use the method of the latent root to on the Fokker-Planck equation is mainly deduced.
第二部分介绍了研究马达的随机跃迁方法-福克普朗克方程的特征根解法，着重推导了如何用特征根方法解福克普朗克方程。
The distribution of gear's contact stress, root stress, and contact engagement line in the engagement situation of gear pairs, were obtained on the base of explicit integration method. 3. Adopting the method of system matrix, the torsional vibration differential equation of general shafting was gained. The simple harmonic forms of excitation torque under the normal combustion or piston flameout of in-line engine and v-type engine were analysed. The decoupled algorithm of free vibration and forced vibration and the solution to the vibration damper's energy of resistance and the off-resonance calculation were studied. The sensitivity formulations of the natural frequency and vibration mode to physical parameters of system were derived by solving the eigenvalue problem. These sensitivity formulations provided the theoretical base for the dynamic modification of structure.
运用系统矩阵法建立了轴系的扭振微分方程，并对直列和V型发动机在正常发火和气缸熄火工况下的激振力矩进行了详细的简谐分析；基于精确方法推导了自由振动和强迫振动的解耦算法，给出了能量法计算中的减振器阻尼功求解和非共振计算方法；并研究了曲轴系扭振非线性分析中的变惯量问题，得到了单缸转动惯量的精确求解公式以及变惯量和固有频率的关系式；最后，从特征方程和振型正交性出发，推导了固有频率和振型对轴系转动惯量和刚度等物理参数的灵敏度，为扭振系统的结构动力学修改提供了理论基础。
The relationship between PID parameter and the root of the characteristic equation of the closed loop control system has been found out directly.
本文直接找出PID参数与闭环控制系统的特征方程的根之间的关系，只要使特征方程的根在z平面的单位圆内任意取值，然后再求出相应的PID参数，则闭环控制系统必然是稳定的。
A root of the characteristic equation has previously been defined as value of s that makes D equal to zero and is given the symbol □.
特征方程的根前面已经定义为使D为零的s值，用符号□表示。
A root of the characteristic equation has previously been defined as a value of s that makes D equal to zero and is given the symbol.
项表示n个位于s平面原点的零极点，特征方程的根定义为使D等于零的s的值，用符号表示。
Keywords: finite element method; notch root radius; Bridgman equation; stress triaxiality
中文关键词：有限元法；缺口根半径；Bridgman公式；应力三维度