positive equilibrium 中文意思是什麼

positive equilibrium 解釋
積極平衡
  • positive : adj 1 確實的，明確的；確定的；無條件的 （opp qualified implied inferential）; 絕對的，無疑問的，...
  • equilibrium : n. 1. 平衡，均衡，均勢，相稱。2. （心情的）平靜。3. （判斷的）不偏不倚。
  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漸近穩定、漸近穩定的一些充分條件。
  2. 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漸近性態，利用波動引理給出了邊界平衡點全局吸引性的充分條件。
  3. 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漸近性態，對于兩類模型，都在正平衡點存在性的條件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條件下證明了該正平衡點的全局穩定性。
  4. In this paper we study the single - species chemostat model with time dilay. based on [ 8 ], we analyze the hopf bifurcation of the system which take the diluton as a parameter, and we obtain that under the conditon of the existence of positive equilibrium and if the dilution is too big or too small, the system will appear hopf bifurcation

    在文[ 8 ]的基礎上，以模型中的流量為參數進行了hopf分支分析。得出了在正平衡點存在的條件下，當流量較大或較小時，系統的正平衡點附近會產生hopf分支，並應用中心流形和規范形理論給出了分支方向及分支周期解穩定性的計算公式。
  5. Based on a theoretical analysis of chinese security market using capm and apt model, this dissertation is going to focus on positive study usin g econometrical model to deeply and quantitatively delineate equilibrium realization and market efficiency of chinese security market and therefore to find the cause of low market efficiency and the obstacle to the establishment of non - arbitrage equilibrium

    我們在運用capm和apt模型對中國證券市場進行理論分析的基礎上，重點利用計量經濟學的實證研究模型，對中國證券市場的均衡實現與效率狀況進行定量的研究刻劃，並由此詳細研究無套利均衡建立的障礙和市場低效率的原因。
  6. The conditions for being stable at unique positive equilibrium point and for the existence of limit cycle of prey - predator system with sparse effect are analysed. the biological significance is discussed

    摘要對一類具有稀疏效應的食餌?捕食系統，給出了唯一正平衡點全局漸近穩定的充分條件和存在唯一極限環的充要條件等一些定性性質的判別準則及其生態意義。
  7. Global stability of positive equilibrium solution in a three species cooperating model

    一類三物種互助模型正平衡解的全局穩定性
  8. This model has an unique positive equilibrium which is globally stable

    當產品壽命較長時，該模型具有一個全局穩定的正平衡點。
  9. The global stability of the positive equilibrium for a class of reciprocally interfered predator - prey system

    被捕食系統的正平衡點的全局穩定性
  10. The bogdanov - takens bifurcation is studied when there is a unique degenerate positive equilibrium. lastly, we make a numerical analysis

    對退化的唯一正平衡點進行研究，得到了bogdanov - takens分支，分支出同宿圈。
  11. Furthermore, model with three products, under the condition of equally probable contact, has globally stable positive equilibrium

    在使用者和非使用者等可能接觸的前提下，證明了三個產品的非線性接觸模型有一個全局穩定的正平衡點。
  12. A mathematic model of two - species competitive with stage structuer is considered. the quality theory of differential equation is applied. the existence and stability of the positive equilibrium are analysed

    摘要研究一類具有階段結構的競爭生態模型，運用微分方程定性理論方法，討論了各類平衡態的性質，得到正平衡態存在穩定的條件。
  13. We show the global dynamics of system ( 1 ) for different parameters. this article consists of two sections, in the first section, we study the global dynamics of system ( l ) when b >. depending on the global qualitative analysis of parameters, we show that the system exhibits " paradox enrichment " for some parameters, a global stable attractor ( ie, positive equilibrium ) for some parameters and a unique stable limit cycle for some other parameters. the bifurcation analysis of system ( 1 ) indicates that it exhibits numerous kinds of bifurcation phenomena including the saddle - node bifurcation. hopf bifurcation, and the homoclinic bifurcation

    全文共分成二部分。在第一部分中，我們討論系統（ 1 ）在b - 2a ~ （ 1 / 2 ）時的全局動力學行為，對參數的全局定性分析表明在某些參數域中系統（ 1 ）展示「富食悖論」現象，在某些參數域中系統（ 1 ）具有全局穩定的吸引子（即正平衡點） ，在某些參數域中系統（ 1 ）有穩定的唯一極限環。
  14. Secondly, it is shown that the system with time delay is uniform persistent under some appropriate conditions, and suf cient conditions are obtained for the global stability of the unique positive equilibrium point of the system with time delay

    而後討論具時滯參數之競爭系統，在適當條件下系統之解是均勻持久的，進而得到此系統之唯一正均衡點的整體穩定性的充分條件。
  15. By the analysis of the first part, the domain of catching efforts which keep the system enduring and having a unique positive equilibrium that was globally asymptotically stable had been given

    通過前一部分的分析，已給出了使系統持續發展而且恰有唯一一個全局漸近穩定的正平衡點的捕獲努力量的范圍
  16. Lastly, distributed time delays, with adopter rejection, are introduced to the model for three products. liapunov functional is constructed to find the sufficient condition of the positive equilibrium

    最後，我們在模型中對使用者離開使用類的速率引進分佈時滯，通過構造liapunov泛函，得出正平衡點全局穩定的充分條件。
  17. The global stability of the positive equilibrium for an epidemic model

    被捕食傳染病模型的全局穩定性分析
  18. We rst use three different methods to analyze the global stability of the unique positive equilibrium point of the system without time delay

    首先，我們利用三種不同方法分析不具時滯參數之競爭系統的整體穩定性。
  19. First, model for two products with nonlinear contact is considered. by using monotonicity and poincare - bendixson theory, the global stability of the unique positive equilibrium is proved

    首先考慮了兩個產品的非線性接觸模型，利用單調性和poincar - bendixson定理，我們證明了唯一正平衡點是全局穩定性的。
  20. For innovation diffusion model with three products, the global stability of the unique positive equilibrium is proved, by using the generalized poincare - bendixson theory and the competitive system theory. the threshold between the extinction and existence of the product without advertisement in the market is considered. for four products, the local stability of the unique positive equilibrium is proved through hurtwiz theory

    當三個產品在市場中競爭時，利用推廣的poincar - bendixson定理以及競爭系統理論，我們證明了模型有一個全局穩定的正平衡點，並得到一個沒有廣告宣傳的產品佔有市場或被淘汰的閾值，當四個產品擴散時，利用hurwitz定理，我們證明了唯一正平衡點是局部穩定性的。
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