existence and uniqueness 中文意思是什麼

existence and uniqueness 解釋
存在與唯一
  • existence : n. 1. 存在，實在，繼續存在。2. 生存，生活，生活方式。3. 實體，存在物，生物。
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • uniqueness : （惟一性）選項組。利用該組參數，通過設置其下方的種子數值，可以在相同的參數設置下產生不同的隨機效果，以確保其隨機性。
  1. The sufficient conditions for the non - existence, existence and uniqueness of limit cycle are obtained for the cubic system

    得到了該系統不存在極限環和存在惟一極限環的條件。
  2. The global inverse function theorem is applied for the existence and uniqueness of periodical solutions to the semilinear boundary value problems. some results are improved

    摘要本文運用整體反函數理論證明了一類半線性方程邊值問題周期解的存在唯一性，推廣和改進了已有的一些結果。
  3. In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation

    第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一，然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件，並用隨機模擬的方法研究比較了參數估計的優良性，最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和區間估計，討論了有關問題，給出模擬實例。
  4. The existence and uniqueness of limit cycles for general li 233 ; nard system

    分岔極限環的唯一性
  5. On existence and uniqueness of periodic solution of li nard equation

    方程周期解的存在性與唯一性
  6. In this paper, the crank - nicolson type finite difference method is applied to the benjamin - bona - mahony equation. we obtain the existence and uniqueness of the numerical solutions

    在這篇文章中，使用crank - nicolson有限差分方法來離散benjamin - bona - mahony方程，得到其數值解的存在性和唯一性。
  7. E. e. enochs put forword the concepts of injective ( projective or flat ) ( pre ) cover and ( pre ) envelope in the early 1980s ", a lot of articles have studied existence and uniqueness of such ( pre ) covers and ( pre ) envelopes, the property of their kernels or cokernels, and character many special rings. moreover, if such kind of ( pre ) covers or ( pre ) envelopes exist, we can construct a complete injective ( projective or flat ) resolvent ( called resolution when exact ) and a partial injective ( projective or flat ) resolvent, and if r is a ring, we can study the relationship of its left global dimension l. d ( r ) ( or its weak dimension w ( r ) ) and the properties of syzygies ( or cosyzygies ) of a resolvent ( or resolution ), and the relationship of its left global dimension l. d ( r ) ( or its weak dimension ) and the exactness of a resolvent ( or resolution )

    自八十年代初e . e . enochs首次提出並研究內射（投射、平坦） （預）蓋及內射（投射、平坦） （預）包這些概念以來，大批論文研究此類包、蓋的存在性、唯一性問題以及它們的核、上核的性質，並據此刻畫了一些常見的特殊環；更進一步地，當此類包、蓋存在時，我們可構造相應的完全投射（平坦、內射）預解式（當正合時稱為完全分解式）以及單邊投射（平坦、內射）預解式，研究了環的左（右）總體維數、弱維數與此類分解式的合沖模（或上合沖模）的性質、復形正合性之間的關系。
  8. A monotone iterative scheme is developed for proving the existence and uniqueness of the periodic solutions of the nonlinear discrete scheme, and the computational algorithms for the periodic solutions are also provided

    為了證明解的存在唯一性，建立了一個單調迭代演算法，該演算法也給出了一個求解演算法。
  9. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。
  10. The existence and uniqueness of global solutions in a functional differential equation model of biological population

    一個有關生物種群的泛函微分方程模型整體解的存在性和唯一性
  11. Existence and uniqueness of solutions to nonlinear kawahara equations

    方程解的存在唯一性
  12. Existence and uniqueness of solutions for the generalized linard system

    系統解的存在唯一性
  13. Existence and uniqueness for the solution of the poisson integral equation

    積分方程的解的存在唯一性
  14. An existence and uniqueness theorem of limit cycles for li 233 ; nard system

    極限環的一個存在唯一性定理
  15. The existence and uniqueness of global solution to a new type of stefan problem

    問題局部解的存在唯一性
  16. The existence and uniqueness of weak solution for a viscous laplacian equation

    方程弱解的存在性與唯一性
  17. Existence and uniqueness of periodic solutions of an equation of duffing type

    方程周期解的存在性與唯一性
  18. Existence and uniqueness of steady state solutions for suspension bridge system

    吊橋耦合系統靜態解的存在唯一性
  19. Existence and uniqueness theorems of solutions for a class of higher - order boundary value problems

    一類高階常微分方程邊值問題的解的存在惟一性
  20. The existence of fixed point for some class of order - compression decreasing operators is studied, and some existence and uniqueness theorems are obtained. finally, we give an example of application

    摘要研究了在序壓縮條件下非緊減運算元的不動點的存在性，得到了新的不動點定理，並給出了一個應用的例子。
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