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★ ★ xcj403(金币+2,VIP+0): 5-14 15:13
可以译成:
在具有分段常数变元(或逐段常数变量,或分段常数偏差变元,或分段常数变量)的微分方程 的帮助下
参考:
分段常数变元
On the oscillation and nonoscillation of nonlinear differential equations with piecewise constant arguments
具有分段常数变元的非线性微分方程的振动性和非振动性
We obtain new sufficient conditions for the oscillation of all solutions of the delay differential equation with piecewise constant argumentsx′(t)+a(t)x(t)+∑mi=1bi(t)x()=0,t≥0,where denotes the greatest integer function. Our results improve some known results in the literature.
我们获得了带有分段常数变元的时滞微分方程x′(t)+a(t)x(t)+∑mi=1bi(t)x([t-i])=0,t≥0所有解振动的新的充分条件,这里[·]定义为最大整数函数.我们的结果改进了文献中的某些已知结果.
First Order Linear Differential Equations With Piecewise Constant Arguments
具有分段常数变元的一阶线性微分方程
Using a generalization of the Gronwall-Bellman inequality we prove limitrelation between the solution of delay differential equation of neutral type with continuousarguments and of delay differential equation with piecewise constant arguments.
本文利用推广的Gronwall-Bellman不等式给出具有多个分段常数变元的时滞微分方程解与具有连续变元的中立型时滞微分方程解之间的极限关系。
Vibratility for Second Order Differential Equation with Piecewise Constant Arguments
具有分段常数变元的二阶微分方程的振动性
分段常数变量
The attractivity of a feedback control Logistic system with piecewise constant arguments
分段常数变量反馈控制Logistic模型的吸引性
Oscillatory Properties of one type of linear neutral functional differential equation with piecewise constant arguments
一类分段常数变量线性中立型泛函微分方程解的振动性质
Global Attractivity of a Multi-delay Logistic System with Piecewise Constant Arguments
时滞分段常数变量Logistic模型的吸引性
For the sake of approaching real phenomenon, in chapter 3, piecewise constant arguments sequence function in the feedback control is induct to study a multi-delay feedback control system with piecewise constant arguments.
本文第四章在反馈控制项中引入分段常数变量,研究了单种群线性多时滞反馈控制Logistic模型,得到了其全局吸引性的充分条件。
The authors employ the method of upper and lower solutions coupled with the monotone iterative technique to obtain results of existence and uniqueness for anti periodic and nonlinear boundary problems of differential equations with piecewise constant arguments x′(t)=f(t,x(t),x()), x(0)+h(x(T))=0, where \$h(θ)∈C\+1(R), h′(θ)>0.
该文利用上下藕合解和单调迭代法 ,讨论了一阶具有分段常数变量微分方程的反边值和非线性边值问题 x′( t) =f( t,x( t) ,x( [t- k]) ) ,x( 0 ) + h( x( T) ) =0 ,这里 h( θ)∈ C1( R) ,h′( θ) >0 ,获得了这些问题的解的存在和唯一性
更多
分段常数偏差变元
Oscillation of solutions of delay differential equations with piecewise constant arguments
具有分段常数偏差变元的时滞微分方程的振动性
In this paper,we show the rule of oscillation of characteristic equation and solutions of delay differential equations with piecewise constant arguments.
得到具有分段常数偏差变元的时滞微分方程特征方程和解的振动准则 ,解决了Gy?痳i等人提出的一个公开问题
逐段常数变量
Oscillation of Delay Logistic Equation with Piecewise Constant Arguments
具逐段常数变量时滞逻辑方程的振动性 |
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