local convergence 中文意思是什麼

local convergence 解釋
局部收斂
  • local : adj 1 地方的,當地的,本地的。2 局部的。3 鄉土的,狹隘的,片面的。4 【郵政】本市的,本地的;【鐵...
  • convergence : n. 1. 聚合,會聚,輻輳,匯合。2. 集合點;【數、物】收斂;【生物學】趨同(現象)。
  1. In this paper, we study the convergences of random dirichlet series by the local convergence of random variable and the strong law of large numbers, and obtain some simple and explict formulae on abscissa of convergence

    該文是利用隨機變量序列的局部收斂性及強大數定律研究了隨機狄里克萊級數的收斂性,得出了它的收斂橫坐標的簡潔公式
  2. Abstract : in this paper, we study the convergences of random dirichlet series by the local convergence of random variable and the strong law of large numbers, and obtain some simple and explict formulae on abscissa of convergence

    文摘:該文是利用隨機變量序列的局部收斂性及強大數定律研究了隨機狄里克萊級數的收斂性,得出了它的收斂橫坐標的簡潔公式
  3. It is proven that these modified dual algorithms still have the same convergence results as those of the conceptional dual algorithms in chapter 2 and chapter 3. secondly, a dual algorithm is constructed for general constrained nonlinear programming problems and the local convergence theorem is established accordingly. the condition number of modified lagrange function ' s hessian is estimated, which also depends on the penalty parameter

    證明這些修正的對偶演算法仍具有同前兩章的概念性對偶演算法相同的收斂性結果,我們還進一步構造了一般約束非線性規劃問題的對偶演算法,建立了相應的局部收斂理論,最後估計了修正lagrange函數的hesse陣的條件數,它同樣依賴于罰參數。
  4. People put forward radial basis function networks considering the conventional bp algorithm problems of slow convergence speed and easily getting into local dinky value

    對于傳統bp演算法存在的收斂速度慢和易陷入局部極小值問題,人們提出了徑向基函數網路。
  5. Introduction of prepotency operator in the initialize population step and the improved mutation operator accelerate the convergence process, and the introduction of new operator in forming new population step avoid converging in local optimum, and promote the ability of global convergence

    演算法在初始化種群階段引入了「優生」運算元,以及改進的變異操作使演算法的收斂速度大大提高;在形成新種群階段引入新的運算元避免了局部早熟,提高了全局收斂能力。
  6. The viscid flux is discretized by second - order central difference scheme. baldwin - lomax turbulence model is implemented in navier - stokes flow solver. for steady - state calculations, a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used

    其中,定常計算中的時間推進採用四步runge ? kutta方法,並應用了當地時間步長、隱式殘值光順等加速收斂措施;非定常計算中的時間推進採用jameson的隱式雙時間方法。
  7. However, in existing global newton ' s methods a linearized variational inequality subproblem has to be solved at each iteration, whose computational cost is equivalent with a qp problem, and the local fast convergence is usually established theoretically incompletely

    通過應用fiseher一burmeister非線性互補問題函數, h . qi和l . qi在17 ]中對以前的qp一free演算法做了有效的改進,使得迭代矩陣的一致非奇異性得到保證。
  8. The empirical issue of income convergence has been concluded that there appears to be local convergence without global convergence, once different factors are controlled for, the evidence then points to the existence of conditional convergence

    經驗研究表明,世界上只有局部趨同而沒有全球?圍內的趨同,一旦對不同的要素變量加以控制,將出現條件趨同。
  9. It exploits the structured of the hessian matrix of the objective function sufficiently. an attractive property of the structured bfgs method is its local superlinear / quadratic convergence property for the nonzero / zero residual problems. the local convergence of the structured bfgs method has been well established

    它們充分利用了目標函數的hesse矩陣的結構以提高演算法的效率,該演算法的顯著優點是對于零殘量問題具有二階收斂性而對于非零殘量問題具有超線性收斂性。
  10. Its characteristics include : operating to the coded parameter ; dealing with a series dots at the same time to protect local convergence ; possessing characteristics for parallel computation to increase calculating speed

    遺傳演算法的特點在於:對參數編碼操作;同時操作多點,在一定程度上可以防止局部收斂;具有并行計算的特點,可以提高計算速度。
  11. By giving some properties of the double dogleg path, we prove the global convergence and fast local convergence rate of the proposed algorithm under some reasonable conditions

    通過給出雙折線路徑的一些性質,在合理的條件下,我們證明了所提供演算法具有整體收斂性並得到局部收斂速率。
  12. The local convergence theorem is important because it shows the property of the iterative method near the solution, but the shortcoming is that its codition depends on the unknown solution

    局部收斂性定理固然很重要,因為它不僅提供了一個關于收斂性的結果,而且還表徵著某些迭代過程在一個解的鄰域內的理論性態。
  13. In the nineteenth century, when researchers began to pay attention to the analysis strictness in mathematics, cauchy put forward major series technique, which was confirmed highly effective in applying it to the convergence analysis of iterations. there are three kinds of convergence theorems which related to iterative method, a ) local convergence theorem, b ) semilocal convergence theorem, c ) global convergence theorem

    對于迭代法收斂性的研究,數值工作者們做了大量的工作(見文後的參考文獻) ,但我們知道與迭代過程相關的收斂性定理通常有三種類型: a )局部的; b )半局部的; c )全局的或整體的收斂性定理。
  14. Chapter 2 establishes the theoretical framework of a class of dual algorithms for solving nonlinear optimization problems with inequality constraints. we prove, under some mild assumptions, the local convergence theorem for this class of dual algorithms and present the error bound for approximate solutions. the modified barrier function methods of polyak ( 1992 ) and the augmented lagrange function method of bertsekas ( 1982 ) are verified to be the special cases of the class of dual algorithms

    第2章建立求解不等式約束優化問題的一類對偶演算法的理論框架,在適當的假設條件下,證明了該類演算法的局部收斂性質,並給出近似解的誤差界,驗證了polyak ( 1992 )的修正障礙函數演算法以及bertsekas ( 1982 )的增廣lagrange函數演算法都是這類演算法的特例。
  15. On local convergence of

    迭代的局部收斂性
  16. Because of ga ' s advantage of globally searching, it can avoid ann ' s problem of local convergence. thus the advantages of both ga and ann are brought into play completely

    遺傳演算法有全局搜索的特點,可以避免神經網路局部收斂的問題,充分發揮遺傳演算法和神經網路各自的優勢。
  17. And then, the eight - parameter 2d projection model is optimized by ga, including adjusting genetic operators to eliminate the local convergence and premature convergence problem

    接著本文採用遺傳演算法優化二維投影模型的8個參數,通過調整遺傳運算元來消除局部收斂和末成熟收斂問題。
  18. In order to avoid the slow - convergence and local convergence of traditional genetic algorithm, an improved genetic algorithm - several populations competed genetic algorithm was proposed in this paper

    摘要在指出傳統遺傳演算法收斂中所存在的收斂速度慢及局部收斂問題的基礎上,引入了一種新的改進遺傳演算法多種群競爭遺傳演算法。
  19. Aim at bp arithmetic shortcoming of tend plunging local minimum value, applied amelioration inherit arithmetic in taking object as the approach of searching information to overcome local convergence of nn

    針對bp演算法具有易於陷入局部最小值的缺點,應用改進遺傳演算法直接以目標函數值作為搜索信息途徑,克服神經網路的局部收斂的缺陷。
  20. Gasa is characteristic of many advantages, such as the calculating robustness, implied inherent parallelism, global searching and local convergence. these advantages are integrated in gcs in our method and make the constraint problems solved robustly and efficiently. based on such approach, the ecological niche ideal is further integrated with gasa

    由於遺傳模擬退火演算法本身具有很多優點:很強的計算魯棒性、隱含的內在并行性、全局搜索與局部快速收斂能力,因此將遺傳模擬退火演算法與約束求解相結合大大提高了約束求解的魯棒性和效率。
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