RESULTS Model of nonlinear difference equation that describes the growth of population has been established.
结果建立了描述种群生长的非线性差分方程模型。
ADI method is applied while solving this difference equation. It ensures that the solution process is stable.
方程的求解采用ADI方法,使得方程的求解具有很好的稳定性。
An adaptive equalizer of dispersive non-linear channels based on non-linear difference equation model is proposed.
提出一种基于非线性差分方程模型的弥散非线性信道自适应均衡器。
Furthermore, the author gives the oscillation criteria of some partial difference equation with continuous variables.
此外,作者还给出了一类具有连续变量的偏差分方程的振动准则。
The autheors obtain results on the oscillations of solutions of a second order nonlinear neutral difference equation.
该文讨论了一类二阶非线性中立型差分方程解的振动性,扩充并改进了此类方程的已有结果。
Multivariable predictive functional control based on difference equation, which has more general applicability, is presented.
基于差分方程模型推导了多变量预测函数控制算法,使其具有更加广泛的适用性。
The diffusion equation was discretized using a local one-dimensional finite difference equation and solved using the speedup method.
扩散方程采用隐式局部一维格式差分离散,利用追赶法求解;
The algorithm is deduced and difference equation of parameter error given by which the algorithm convergence is proved theoretically.
对该算法进行了推导,并给出了参数误差的差分方程,在理论上证明了算法的收敛性。
This thesis mainly studies the problem of the boundary value of second-order and third-order nonlinear and linear difference equation.
本篇硕士论文主要研究了一般形式的二阶和三阶非线性和线性差分方程的边值问题。
By using the contraction mapping principle, the boundary value problems for a second order functional difference equation are investigated.
利用压缩映照定理,研究了一个二阶泛函差分方程边值问题,得到存在和唯一性定理。
A class of neutral difference equation with delay is considered and a sufficient condition for the oscillation of the equations is obtained.
考虑一类时滞差分方程的振动性,得到了该方程振动的一个充分条件。
We studied the asymptotic behavior of solutions to third order Poincaré difference equation whose characteristic equation has multiple roots.
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。
A kind of ordinary difference equation that can be transferred to Euler equation, often appears in polar coordinates solution of elastic problems.
在弹性力学问题的极坐标解答中,经常会遇到一类可转化为欧拉方程的常微分方程。
An important inequality is used to establish some criteria for the oscillation of forced difference equation and it is generalized to higher order.
借助一个重要的不等式研究一类带有强迫项的时滞差分方程的振动性,并推广至高阶的情形。
In this paper, the difference equation model of traffic assignment of urban traffic system is established according to the present urban traffic fact.
本文从分析目前城市交通实际状况出发建立了路网交通流分配的差分方程模型。
In accordance with the basic thermodynamic principles, the authors arrive at easily the stability criteria of difference equation in 3d heat transfer.
根据热力学基本原理,方便地确定出三维传热有限差分方程稳定性判据。此稳定性判据可用于求解具体的传热问题。
This paper is concerned with the asymptotic behavior and existence of positive solutions for a class of higher order nonlinear neutral difference equation.
研究了一类高阶非线性中立型差分方程正解的存在性和渐近性。
With the aid of discrete Du's Transformation, we can solve the zero-state response of a discrete-time system usually described by a linear difference equation.
利用离散杜氏变换,给出线性离散系统零状态响应计算式,并可用以解线性差分方程;
The paper is regarding a fourth-order rational difference equation, proving that the positive equilibrium point of the equation is globally asymptotically stable.
研究了一个四阶有理差分方程,证明了该方程的正平衡点是全局渐近稳定的。
Mathematics model and boundary conditions are proposed for hydraulic transient which is resulted from pipeline leaking while the difference equation is constructed.
建立了管道泄漏引起的水力瞬变泄漏数学模型和边界条件,构造了差分方程。
In order to get FDTD iterative computation stable, FDTD numerical method should increase the subsidiary variable and the corresponding auxiliary difference equation.
FDTD数值计算要采用增加辅助变量和相应的辅助差分方程的方法使FDTD迭代计算稳定。
The investigation on difference equation is to discuss its eventually behavior of the solutions, including oscillation, cycle length and global asymptotic stability, etc.
对差分方程的研究就是讨论它的解的最终性态,包括振动性、循环长度及全局渐近稳定性等。
The nonlinear Schrdinger equation leads to a second order nonlinear difference equation, and we obtain transmission spectrum of wave by iterating the difference equation.
把非线性薛定谔方程转化成二阶差分方程,通过迭代此差分方程得到透射谱。
Simple examples for explaining the unifying realization methods of state space and difference equation model using finite markov parameters are also presented in this paper.
并以简例说明了用有限的马尔可夫参数实现状态模型和差分模型的统一方法。
In the last decade, nonlinear difference equation theory has been widely applied in the discrete models of computer science, economy, neutral net, ecology and control theory.
几十年来,非线性差分方程理论已广泛应用于计算机科学、经济学、神经网络、生态学及控制论等学科中出现的离散模型。
The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.
所得的非饱和土壤水运动方程对时间的差分方程,在空间上不仅可用有限元法而且可用有限差分法处理。
The existence of periodic solution to nonlinear functional difference equation is considered by using the topological degree, and a periodic solution of this problem is obtained.
利用拓扑度理论对一类非线性泛函差分方程周期解的存在性进行了讨论,得到该问题周期解的一个存在定理。
Based on transmission boundary condition, gives calculation method for value of dynamic model equation, pipeline discrete form, memory method for coefficient and difference equation.
根据输送边界条件,给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
This paper made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.
通过时滞微分方程和离散差分方程的振动性,建立了具有连续变量的非线性差分方程的振动性条件。
This paper made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.
通过时滞微分方程和离散差分方程的振动性,建立了具有连续变量的非线性差分方程的振动性条件。
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