漸近條件 的英文怎麼說

中文拼音 [jiānjìntiáojiàn]
漸近條件 英文
asymptotic condition
  • : 漸副詞(逐步; 漸漸) gradually; by degrees
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 漸近 : [數學] [物理學] asymptotic; approximation漸近操作(法) evolutionary operation; 漸近點 asymptotic...
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. 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穩定、穩定的一些充分
  2. Under some natural weak assumptions that do not require the technological coefficients matrix is indecomposable, the fact that the dynamic input - output system is not asymptotically stable and the closed dynamic input - output model exists a balanced growth solution is proved

    利用矩陣特徵值理論和廣義系統理論,在相對弱的下(不需要直接消耗系數矩陣不可分解) ,證明了動態投入產出系統不是穩定的。
  3. In this model, we discuss the effect of tax policy on economic growth on the condition of market competitive equilibrium. two chief conclusions are drawn : firstly, when the government has carried out steady tax policies, for consumers there exists unique optimal capital stock path along which economy can grow sostenuto and steadily ; when the tax path given by the government converge to some constant tax rate, there still exists one capital stock path which can make the whole economy grow gradually and converge evenly to the optimal state. secondly, the optimal tax path has turnpike property

    在該模型中,我們討論了在市場均衡下,稅收政策對經濟增長的影響,得到兩個主要結論:一、當政府實行穩定的稅收政策時,消費者存在著唯一的最優資本存量路徑,沿著此路徑經濟能夠持續平穩並且最優地增長;當政府給定的稅收路徑不穩定但能收斂到某個常值稅收率時,此時也存在一資本存量路徑,它能使整個經濟平穩地增長,並且最終收斂到最優狀態。
  4. A. teel, d. nesic etc. initially studied iss stabilization of nonlinear sample - data systems of this type in 1998. practical stabilization of nonlinear sampled - data systems based on discrete - time approximation with sufficiently small sampling periods has been studied in recent years. the sufficient conditions have been given for the practical st abilization of the above case

    第三部分:在采樣周期固定的下,研究基於似離散化模型上設計的關于參數t一致的穩定采樣控制器能夠以穩定方式一致鎮定其連續受控系統的
  5. 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,利用單調動力學系統得到了系統的全局穩定性。
  6. On the other hand, they play an important role in the theories of esfimation for regression function. in this paper, we mainly get the large sample properties for partitioning estiona - tion and modified its estimation. for example, we proved their asymptolic normaity under nuture conditions by means of mortingle theory ; we also get their strong consistency for regression function under censored samples ; and finaly we genearzed the result to dependence sample and have strong consistency for the modified partitioning estimation of regression function

    因此本論文研究了回歸函數基於分割估計及改良基於分割估計的大樣本性質,利用鞅的有關理論,在比較自然的下,證明了其正態性;首次構造了截尾樣本的回歸函數基於分割估計及改良基於分割估計,並證明其強相合性;同時把有關結果推廣到相依樣本下(如混合) ,獲得了改良基於分割估計的強相合性及收斂速度。
  7. Finalh. the asymptotic behaviour of the chemostat model with two - nutrient and diffusion is further studied. the global attractivity of the periodic solution is proved under the unique existence of the periodic solution

    然後進一步研究具有周期環境的雙營養擴散恆化器模型的性態,在周期解存在唯一的下證明了該周期解的全局吸引性。
  8. Moreover, under those conditions, the global stability of the positive equilibrium is proved for the two models without delays. iii ) the asymptotic behaviour of the chemostat model with predator - prey populations and delays is studied

    三、研究了單營養食物鏈的恆化器模型的性態,利用波動引理給出了邊界平衡點全局吸引性的充分
  9. Our results imply that mutual interference in a species may result in coexistence of the two competing species and demonstrate that those time delays do not influence the competitive outcome of the organisms. ii ) the asymptotic behaviour of the chemostat model with mutual interference or without mutual interference is studied. for the two models with delay, the uniform persistence of the models are both proved under the conditions of the existence of the positive equilibrium

    二、研究了無種內競爭和有種內競爭的具有階段結構的時滯恆化器模型的性態,對于兩類模型,都在正平衡點存在性的下證明了該系統的一致持續生存,對于兩類相應的常微系統的模型,均在正平衡點存在性的下證明了該正平衡點的全局穩定性。
  10. By using the limit theorem, the authors discuss and prove conclusions of asymptotic property of mean point in second mean value theorem for integrals in concessional terms believing that they will take an important effect in integral

    摘要利用極限理論,給出並證明了減弱的積分第二中值定理「中值點」的性的幾個結論,相信在積分學中有著很重要的作用。
  11. Some sufficient and necessary conditions for the multi - step iterative sequences of the asymptotically quasi - nonexpansive mappings ti to converge to certain common fixed points in the convex metric space are obtained

    摘要研究了凸度量空間中用多步迭代序列來逼非擴張映象的不動點,並給出了其收斂于不動點的充分必要
  12. 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;通過構造適當的lyapunov函數得到了該系統存在全局穩定概周期解的充分
  13. Under appropriate conditions the asymptotic solution and its existence conditions are obtained

    在適當的下,得出了這一類非線性系統解的存在性及其解。
  14. 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,本文對不可壓縮下反平面型擴展裂紋的尖端場進行了分析,分別求得了其裂紋尖端應力和應變場的動力學控制方程。
  15. Abstract : the gpc or crhpc strategy with input constraints will be possible to lead to infeasibility of the control algorithm and the performance of the control system will get degradation or instable. in order to overcome this problem, a control algorithm with guaranteed feasibility is proposed in this paper. it is shown that the algorithm makes the plant asymptotically stable and drives condition setpoint close to the actual setpoint of the plant

    文摘:在系統輸入受限的情況下,採用一般的廣義預測控制或受限時域預測控制有可能會造成控制演算法不可行,從而使系統的性能變壞或不穩定.針對這個問題,本文提出一種保證可行性的控制演算法,並證明該演算法能夠使系統穩定且最終使設定值跟蹤系統的實際設定值
  16. To this end, some mild regularity conditions are imposed and an asymptotic distribution theory is established for modified statistic

    在適當的正則下,對修正的經驗似然比統計量給出了分佈理論。
  17. Abstract : the empirical likelihood confidence intervals for quantiles are constructed under a - mixing sample, which are based on the result that the blockwise empirical likelihood ratio statistic asymptotically has the 2 ( 1 ) distribution

    文摘:在一定的下證明了-混合樣本下分位數的分組經驗似然比統計量的分佈為2 ( 1 ) ,由此可構造分位數的經驗似然置信區間
  18. 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.在適當的下,利用分析方法和對角化技巧,證得解的存在性並給出解的展開式及其餘項估計
  19. The model of this paper explores the links between the following factors and the credit rationing in china. the change of banks " attitude to credit risk may lead to credit rationing ; banks give much more emphasis on the trade cost and the payable value of collateral, which may give rise to credit rationing ; the decreasing of asset price during economic stagnation produces credit rationing ; the bias of banks " objective function from the maximization of profit and the transformation of the function relating to the reform of the financial system cause credit rationing ; if different parts of the whole markets are not integrated, the credit in the part with low capital return ratio will be rationed. during economic recession, banks tend to ration the credit in the high - risk market ; the removing of interest ceiling will narrow down the interest spread of deposit and credit at least during a period, which may strengthen credit rationing ; meanwhile, the vulnerable borrowers, including small and middle - sized enterprises, will get more credit from banks even though they have to pay a higher interest rate

    論文的模型探討了下列因素和中國信貸配給現象之間的聯系:商業銀行對信貸風險的態度變化,在辨別和控制信貸風險上開始投入大量的成本,這一過程會導致信貸配給;商業銀行對與法治環境相關的交易成本和抵押品清償價值的日關注會導致信貸配給;宏觀經濟緊縮時期資產價格下降會導致信貸配給;商業銀行經營目標函數偏離利潤最大化,幾年金融業改革過程使商業銀行目標函數發生變化,這一變化過程可能導致信貸配給;在市場分化的下,收益水平低的市場會遭受信貸配給;在經濟下滑時期,商業銀行尤其會對高風險市場配給信貸;利率市場化使商業銀行的存貸利差至少在一段時間內縮窄,利差縮窄可能加重信貸配給的程度:在利率市場化下,弱勢借款者,包括中小企業,遭受信貸配給的程度可能得到緩解,但支付的貸款利率水平將會升高。
  20. The growth of the both species is of logistic naluf. the mature species - y preys on the mature - x. by using the lyapunov function we obtain the - conditions for globally asymptotic stablility of positive equilibria without harvesting. conditions for global asymptotic stablility of four positive equilibria with harvesting and the threhold of hai vi - sting mature population

    但從目前已知的文獻來看,對于兩個種群同時具有年齡階段結構,且同時對兩個種群進行開發的結果較少,本文通過構逅lyapunov函數,得到了當捕獲率不為零時上述模型存在一個全局穩定的正平衡點的充分,也就是說,在一定下,種群兄。
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