newton iteration method 中文意思是什麼

newton iteration method 解釋
牛頓迭代法
  • newton : n 1 牛頓〈姓氏，男子名〉。2 Sir Isaac Newton 牛頓〈1642 1727，英國科學家〉。3 〈n 〉【物理學】牛...
  • iteration : 迭代疊代疊接
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The new algorithm bases on bisection and secant iteration, which is different cuppen ' s method and newton iteration. the results of theoretical analysis and numerical testing show that convergent rant of our algorithm is obviously faster that of the classical algorithm

    該演算法以割線法迭代為基礎，明顯不同與傳統的newton迭代法，理論和數值實驗表明改進的演算法的收斂性比經典演算法好
  2. The property shows that the maximal solution is well - conditioned. two new iteration methods for finding the maximal solution are proposed. of these two methods, one is a linearly convergent iteration without matrix inversion, and one is related to newton s method and quadratically convergent

    這2種方法，一種是線性收斂的，其優點是迭代過程不需要求矩陣的逆另一種是二次收斂的，數值試驗的結果表明該方法在計算速度和精度方面都明顯地優于現有的其他幾種迭代方法。
  3. By means of c - language, the paper has developed a large - scale computer program, in which the combination of both the newton iteration and the gradient method is introduced to solve reynolds equation and film thickness equation, and the march method is used to solve the energy equation and heat interface equations, the satisfactory results are obtained

    本文採用c語言編制了大型計算機程序進行數值計算，數值計算中採用梯度-牛頓聯合法求解reynolds方程和油膜厚度方程，採用步進法求解能量方程和熱界面方程，獲得了滿意的數值結果。
  4. Several variations of newton iteration method

    迭代公式的幾個改進
  5. And lager step size could be used in the integral process. based on the gear method and the differential - algebraic equation simultaneous solution method, the newton iteration formula is derived in this thesis

    本文根據電力系統全過程動態模擬軟體的基本積分方法（ gear法）和微分一代數方程聯立求解法，構造了gear法聯立求解微分方程組和代數方程組的牛頓迭代公式。
  6. Analysis of the convergence rate on newton iteration method

    牛頓迭代法收斂速度分析
  7. Using the newton - raphson iteration method, the node coordinates of elements on the reference configuration or the current configuration, can be obtained efficiently

    使用牛頓?瑞費遜迭代法，可快捷地得到初始構形或當前構形上的節點坐標。
  8. The adaptive homotopy method uses the homotopy with parameter to get a enough good approximation xn of the genuine solution x, and then use the newton iteration to attain a more precise one

    自適應延拓演算法用含參同倫迭代求出一個真解x ~ *的較好近似x ~ n ，再用newton迭代精確化。
  9. The hydraulic hitch is the common means that the operator be joined with the prime motor in farm machine. the paper made the hitch ? vector equation and found the solutions by newton iteration method through the strong numerical calculation function of computer. so the analytical solution insteaded the graphic method, the design accuracy and efficiency were acceptable

    本研究推導了懸掛機構的矢量方程，並藉助于計算機強大的數值計算功能，用牛頓迭代法解決了解矢量方程的問題，從而用解析法取代了圖解法設計此類機構，提高了設計精度和效率。
  10. As for the numericial mthods we present a method using newton iteration and lp ( lift - projection ) iteration to slove inverse real symmetric eigenvalue problems. then wo can choose any starting points, then wo can get good starting value for the purpose of the preconditioning the numerical examples show the method is efficient and available

    對于數值演算法，將lp迭代和一般的newton迭代法結合起來求解含參變量的實對稱矩陣特徵值反問題， lp迭代預處理了newton迭代法的初始值，拓寬了newton迭代法初始值的選取范圍，數值例子也說明lp ? newton法具有較高的效率和實用性。
  11. To assure astringency, some technologies have been used such as iterative penality function methods, assemblage mass matrix, reduced integration algoritlun, newton iteration method with parameters for non - linear equation set, introducing relax factors and double steps solution and so on, and an algorithin for solving the nonlinear equation set of flow field by fem has been presented

    基於有限元法建立了流場求解列式，為保證其收斂性，採用了迭代罰函數法，集中質量矩陣，縮減積分計算，帶參數的newton迭代求解，引入松馳因子及雙層解法等技術，提出了一套適合流場有限元方程計算的非線性方程求解方法。
  12. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元，運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣；在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程，提高了計算精度；再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
  13. An improved newton iteration method and its fractal images

    一種改進的牛頓迭代法及其分形圖
  14. Provide a new method : iteration sensitive matrix method by studying the current reconstruction algorithms of iceit : the sensitive matrix method and the newton iteration method

    對目前用於iceit的敏感矩陣法和牛頓迭代法進行研究，提出新的成像演算法?迭代敏感矩陣法。
  15. Furthermore, the newton method can relax the lindt of step size due to convergent l [ ~ condition, llhp * fi ] < l, for the simple iteration method that is used in ll lyi ] <, for the simple iteration method that is used in, some general electric - mechanical transient simulation programs

    同時，牛頓迭代方法對步長力的限制較寬，可以採用較大的步長，從而克服了目前電力系統機電暫態程序中通常採用的簡單迭代演算法求解微分一網路方程，受迭代收斂條件的限制，積分步長h受限的問題。
  16. The main studying contents and achievements in this dissertation are presented as follows. based on the analysis of the selective harmonic elimination pwm mathematical model, an equivalent newton iteration solving method about the switching angles nonlinear transcendental equation set is presented. the algorithmic convergence time is enormously reduced and the algorithmic convergence ability is highly increased

    本文的主要研究內容和成果如下：通過對單相特定消諧pwm數學模型的分析，提出了關于開關角非線性超越方程組的等效轉化牛頓迭代解法，極大地縮短了演算法收斂時間，提高了演算法的收斂性，為特定消諧pwm開關角的工程計算提供了新的方法。
  17. Based on work of w. clem karl etc., the quasi - newton iteration method for solving the optimization problem of sar imaging is derived, the sparse projection matrix tsof sar imaging is constructed, by replacing the original sar imaging projection matrix t with ts, the computation efficiency of peak - enhanced sar imaging is improved greatly

    在w . clemkarl等工作的基礎上，導出了求解峰值特徵增強sar成像優化問題的準牛頓迭代方法，建立了sar成像稀疏投影矩陣t _ s ，通過用t _ s代替原始sar成像投影矩陣了，有效提高了峰值特徵增強sar成像方法的計算效率。
  18. Ancient chinese algorithm : the ying buzu shu method of surplus and deficiency vs newton iteration method

    盈不足術與牛頓迭代演算法的比較
  19. ( 3 ) we introduced the methods to estimate the shape and rotation of the asteroids with the lightcurves. with the improved newton iteration method, we propose a method to solve the problem on the convergence of the iteration when the initial value is far from the real solution

    第三章著重闡述了小行星形狀和自轉參數的研究方法，針對目前人們最常用的綜合振幅和周期的方法所存在的問題? ?解的收斂問題，提出了一種解決的方法。
  20. Based on interval the computation cost of interval newton algorithm is larger than the general newton iteration method. the computation time of interval newton algorithm tends to grow exponentially with the dimension. even for small problems, interval newton algorithm often requires enormous computation time if the nonlinearity of the problem is very large or the problem is ill - conditioned

    但是由於區間牛頓法是以區間為迭代單位，其計算量遠大於一般的牛頓類迭代法，其計算時間隨著方程組維數n的增加而呈指數增長；而且即使在維數n很小時，若方程組的非線性程度很強或方程組為病態，所需的計算時間也很大。
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