漸近方程 的英文怎麼說
中文拼音 [jiānjìnfāngchéng]
漸近方程
英文
asymptotic equation- 漸 : 漸副詞(逐步; 漸漸) gradually; by degrees
- 近 : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 漸近 : [數學] [物理學] asymptotic; approximation漸近操作(法) evolutionary operation; 漸近點 asymptotic...
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Unique existence and blowup characteristics of global solution for initial boundary value of a class of nonlinear wave equation of fourth order
一類具有非線性邊界阻尼和源項的非線性波動方程的解的漸近性Asymptotic behavior of solutions to dissipative nonlinear evolution equations with ellipticity
具有橢圓性質的耗散非線性發展方程組解的漸近行為In chapter 3, two nonlinear modified gilpin - ayala models with distributive delay and continuous diffusion are studied. some simple sufficient conditions for globally asymptotically stable and asymptotically stable of the unique positive equilibrium point are established by constructing lyapunov functional
在第二章中,我們研究的擴散行為是離散的,而在第三章中,我們研究兩類含連續擴散行為的非線性時滯gilpin - ayala模型(反應擴散方程) ,通過構造lyapunov泛函獲得其平衡態全局漸近穩定、漸近穩定的一些充分條件。Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value
同時,由於poisson分佈的特性,我們知道不存在其參數區間長度小於0 . 5的置信區間,基於這些情況,我們主要展開了以下兩個方面的研究:一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間, wald置信區間, bayes置信區間等進行分析比較,發現了一些缺陷,針對這些缺陷,我們進行適當的修正,並得到幾種性質較好的置信區間如:修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度,我們提出了一種漸近的兩階段區間估計程序,並利用數值計算的方法,在各種置信系數與區間長度限定下,算出了最優的第一階段觀測次數(抽樣量) ,大量數據表明,本文考慮的方法性態良好,具有應用價值。Focused on the asymptotic behaviour of mediant for fourth order lagrange ' s mean value theorem and obtained the main results as followed ( the equation is abbreviated )
摘要對四階拉格朗日中值定理中間點的漸近性質進行了研究,得到的主要結果是(方程式略) 。Asymptotic stability of midpoint euler method for delay differential equations
時滯微分方程中點歐拉法的漸近穩定性In the light of the recent work in biological models, especially in the chemostat models, the dissertation provides a systematic study on the asymptotical behaviour of some chemostat models built by delay or diffusion differential equations. the main contents and results in this dissertation are as follows : i ) the global asymptotic behavior of the chemostat model with the beddington - deangelies functional responses and time delays is studied. the conditions for the uniform persistence of the competing populations are obtained via uniform persistence of infinite dimensional systems
本論文基於當前生物學模型,特別是恆化器模型的研究現狀,深入系統的研究了時滯和擴散方程描述的幾類恆化器系統的漸近性態,本文的主要內容包括以下幾個方面:一、研究了具有beddington - deangelies功能性反應函數的時滯恆化器模型,利用無窮維連續動力系統的一致持續生存的理論給出了兩競爭種群一致持續生存的充分條件,利用單調動力學系統得到了系統的全局漸近穩定性。Asymptotic attractors of the nonlinear evolution equation in bounded domain
一類非線性發展方程的漸近吸引子This paper consists of three parts : we first consider the non - autonomous predator - prey system with both beddirigton - deangelis functional response and dispersion. by using comparison theorem of differential equation, we study the permanance of the system. after that, by constructing suitable lyapunov function, we obtain some sufficient condition which guarantee the existence of globally asymptotically stable almost periodic solution of the system
本文研究三方面的內容:第一部分考慮具有擴散和beddington ? deangelis功能反應的捕食-食餌系統,利用微分方程比較原理得到該系統一致持續生存的條件;通過構造適當的lyapunov函數得到了該系統存在全局漸近穩定概周期解的充分條件。In order to prove the existence of the periodic boucing solutions, firstly we will introduce a new coordinate transformation, transform the system from right half plane to the whole plane. and give the relation of the eigenvalues of hill ' s equation and the rotation numbers, using this approach and pioncar - birkhoff twist theorem, we proved the existence of the periodic bouncing solutions for asymptotical linear oscillator
對于周期解的存在性證明,我們引進新的坐標變換把右半平面上的碰撞問題轉化到整個平面上,給出旋轉數與hill方程的特徵值的關系,並以此來度量漸近線性振子,再應用pioncar - birkhoff扭轉定理得到周期碰撞解的存在性。In order to meet the needs of recent research in applied probability, such as finance and insurance, risk theory, random walk theory, queueing theory and branching processes and so on, the concepts of heavy - tailed random variables ( or heavy - tailed distributions ) are introduced. they are one of the important objects many scholars are concerned on. on the other hand, in a risk process, the number of these heavy - tailed variables " occurrence until the time t, i. e. all kinds of counting process, is one of the important objects, which many scholars are studying
在應用概率的許多領域,如金融保險、風險理論、隨機游動理論、排隊論、分支過程等,重尾隨機變量或重尾分佈都是重要的對象之一,另一方面,在一個風險過程中,到t時刻時,這些重尾變量出現的個數,即各種記數過程,也是人們研究的主要對象之一,本文主要對重尾分佈的控制關系與極值過程的跳時點過程的精緻漸近性進行深入的討論。5. a multivariable process identification based on asymptotic black - box theory is studied. firstly, a high - order mimo arx model and its frequency error bound is estimated from identification data and low - order siso models is obtained from high - order mimo arx model
作者對一種基於漸近黑箱理論的多變量過程辨識方法進行了研究:首先用高階arx模型估計模型參數,並給出高階模型的頻域均方誤差;然後,對高階arx模型進行降階處理。With the adoption of the rate - sensitive constitutive relationship, it is asymptotically investigated the propagating tip fields of antiplane mode iii crack under the condition of incompressibility, and the dynamics equations are obtained separately governing the stress and strain fields at the crack - tip
採用這種率敏感型本構關系,本文對不可壓縮條件下反平面型擴展裂紋的尖端場進行了漸近分析,分別求得了其裂紋尖端應力和應變場的動力學控制方程。Asymptotic behavior of higher - order nonlinear equations on time scales
高階時標非線性動力方程的漸近性Asymptotic behavior of solutions of time - delayed b - bbm equations
方程解的漸近性By using the asymptotic analysis method and the diagonalization technique, considers the singular perturbation of boundary value problem for system of third order nonlinear integro - differential equation. under appropriate assumptions, the existence of the solution of perturbation problem has been proved and a asymptotic expansion of the solution and the estimation of the corresponding remainder term are geven as well
研究三階非線性積分微分方程組邊值問題的奇攝動.在適當的條件下,利用漸近分析方法和對角化技巧,證得解的存在性並給出解的漸近展開式及其餘項估計This paper presents the reliability analysis of three systems as following by using markov process theory and linear equation theory. ( 1 ) multi - sensor 2 / 3 ( g ) repairable decision - making system ( 2 ) cold standby repairable system of two components with continuous lifetime switch and priority ( 3 ) warm standby repairable system of two components with continuous lifetime switch and priority in this paper, we take an application of multi - sensor fusion in neural network, and set up the mathematic model of 2 / 3 ( g ) repairable decision - making system, which is composed of different components
本文利用馬爾可夫過程理論、線性方程組理論以及laplace變換和laplace逆變換對以下三個系統做了可靠性分析: ( 1 )多傳感器融合可修2 3 ( g )表決系統( 2 )有優先權的開關壽命連續型兩個不同型部件冷貯備可修系統( 3 )有優先權的開關壽命連續型兩個不同型部件溫貯備可修系統多傳感器融合技術是近幾年發展起來的一門新興技術,已廣泛應用於軍事領域,並逐漸在航天、遙感、機械製造技術中得到應用。In this thesis we study the existence of periodic solutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion equations with nonlocal boundary value conditions, the existence of periodic solutions or periodic quasisolutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion systems with nonlocal boundary value conditions. the whole thesis is made up of three chapters
本文研究時間變量是周期的反應擴散方程在非局部邊值條件下周期解的存在性及其一般時變解的漸近性態;研究時間變量是周期的反應擴散方程組在非局部邊值條件下周期解或周期擬解的存在性及其一般時變解的漸近性態In the transition from planned economy to market economy system, our country has taken a reforming way from top to bottom in which the government occupied the leading position. the government ' s excessive interference, " power - money deal ", imperfect market system and implementing the legal norm loosely, resulted in a large amount of " rent seeking " behaviors breeding and spreading. these hinder ed the process of marketization, degenerated the social ethos, consume valuable social resources
在我國從計劃向市場的體制轉軌過程中,國家採取的是政府主導的自上而下漸近式的改革方式,政府干預過深、 「權錢交易」 、市場制度不完善和法律規范執行不力,導致尋租行為大量的滋生和蔓延,阻礙了市場化改革進程,惡化了社會風氣,消耗了寶貴的社會資源。Secondly, we construct the sequential confidence intervals for the common number characters : coefficient of variation, skewness and kurtosis, stressing on computing their asymptotic variances in their limiting distributions
其次,我們就常用的數字特徵變異系數、偏度和峰度分別建立了它們的序貫置信區間程序,著重算出它們極限分佈中的相關漸近方差。分享友人