一种重要的情形是常系数二阶线性齐次微分方程。
An important case is the linear homogeneous second-order differential equation with constant coefficients.
本文给出常系数线性微分方程组一种新的求解方法。
This paper suggests a new way of finding solutions for linear systems of ordinary differential equations with constant coefficients.
本文主要探讨可化为常系数的线性微分方程的求解问题。
This paper mainly deals with the solution to the linear differential equation that can be changed into the one with constant coefficients.
本文给出了一个二阶常系数线性非齐次微分方程的特解公式。
This paper deals with the formula of particular solution to 2-order linear inhomogeneous differential equation with constant coefficients.
本文论述线性常系数系统的有限元模型修正中的若干重要问题。
Several important problems for updating finite element model of linear constant coefficient system are demonstrated.
应用生成函数的方法求出了常系数非齐次线性递推式的显式解。
This paper gives an explicit solution to linear non-homogeneous recurrence relations with constant coefficients by means of generating function.
本文研究二维常系数反应扩散方程的紧交替方向隐式差分格式。
Secondly, a compact ADI difference scheme is presented by introducing a variable of intermediate value.
给出了常系数非齐次线性微分方程特解的一种新的公式化求解方法。
This paper given the formula of solution for nonhomogeneous linear differential equation with constant coefficients.
常系数的常微分方程变换为代数方程可以用于实现传递函数的概念。
Ordinary differential equation with constant coefficients transform into algebraic equations that can be used to implement the transfer function concept.
讨论一阶常系数线性微分方程组通解问题,给出一种新的向量解法。
We discuss the first order linear differential equations with constant coefficients and give a new vector method of it.
本文研究了线性递推方程解的结构以及常系数线性齐次递推方程解法。
In this paper, we study the structure of the linear recursion equation and get the solution to the constant coefficient linear homogeneous recursion equation.
利用李雅普·诺夫函数研究常系数线性中立型时滞大系统的零解稳定性。
Zero solution stability of the neutral time delay system of constant coefficient linearity is studied by employing liapunov function.
在很多具体问题上可证明子问题平衡对时问复杂性的常系数可以有改进。
In many practical problems it is proved that the coefficient of time complexity can be improved by balancing the size of the subproblem.
把乘法器系数表示为CSD形式,将常系数乘法优化为最少的移位加操作。
Coefficients of the multipliers are transformed into CSD forms and the multiplications are substitute by minimum shift-add operations.
给出了求常系数线性齐次差分方程组通解的一种方法,用一个例子说明所给方法。
This paper gives a method to obtain solution of linear homogeneous difference systems with constant coefficients. The method of this paper is illustrated by a example.
对二阶变系数非线性微分方程的常系数化给出两个使其可积的条件,并举例论证。
The two conditions of the second order nonlinear differential equation with variable coefficient are given and expounded with examples.
利用线性变换,统一给出常系数线性方程齐次通解和非齐次特解解构造定理的简化证明。
Using linear transform, the simple proof for solution of higher order linear differential equations was given.
首次给出求解确定性与随机常系数差分方程及确定性与随机时变系数差分方程的统一方法;
The unified method of solving LDS(linear discrete system) difference equations of determinate and time varying coefficients as well as stochastic and stochastic time varying coefficients is proposed.
提出了非齐次线性递归方程的降阶公式,并由此导出了常系数非齐次线性递归方程的特解公式。
We give a theoretical basis for special solution of the linear non-homogeneous recursion equation with constant coefficient.
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.
本文研究了既有滞后量又有超前量的一阶中立型常系数微分方程的振动性,得到了其振动的几个充分条件。
In this paper, we have studied the oscillation of the first order neutral functional differential equations with delay and advanced argument, obtained, some sufficient conditions extended and impoved.
给出了求各路分配节和变阻节特性阻抗以及隔离电阻的计算公式,其中含有一个可供灵活选择的任意常系数。
The equations used to find the values of the wave impedances of the dividing sections and the impedance-transforming sections as well as the isolating resistances are given.
该算法克服了在一般的常系数盲数字自适应算法中,由于估计幅值选择不合适,所造成加权矢量不收敛的缺点。
No convergent drawback of the weight vector due to choose the dispersion constant inaccurately in the normalized constant modulus algorithms (NCMA) is overcome.
该新模型的海森矩阵是精确的常系数矩阵,在内点法迭代过程中只需要计算一次,从而缩短了每次迭代的计算时间。
The Hessian matrix of every function in this model is constant, so it will be calculated once in the entire optimal process based on interior point method, which speeds up each iteration.
研究了三阶Poincaré差分方程解的渐近性质。这种差分方程对应的常系数线性差分方程的特征方程有重根。
We studied the asymptotic behavior of solutions to third order Poincaré difference equation whose characteristic equation has multiple roots.
现代控制理论的状态变量法提供了一种统一、高效的方法来描述具有任意阶次、线性或非线性、时变或常系数的各种系统。
The state variable approach of modern control theory provides a uniform and powerful method of representing systems of arbitrary order, linear or nonlinear, with time-varying or constant coefficients.
精细积分法在求解刚性方程和常系数线性方程时显示出很大的优越性,这为柔性体系动力学方程的求解提供了新的工具。
The time precise integration method shows great advantage to solve the stiff equations and nonlinear equations, it provides a new computation way for the research of flexible multibody system.
精细积分法在求解刚性方程和常系数线性方程时显示出很大的优越性,这为柔性体系动力学方程的求解提供了新的工具。
The time precise integration method shows great advantage to solve the stiff equations and nonlinear equations, it provides a new computation way for the research of flexible multibody system.
应用推荐