迭代形式 的英文怎麼說

中文拼音 [diědàixíngshì]
迭代形式 英文
iteration form
  • : Ⅰ動詞(輪流; 替換) alternate; change Ⅱ副詞1 (屢次) repeatedly; again and again 2 (及) in tim...
  • : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  1. In the third chapter, we study the annihilator ideals of power series and ore extensions on noncommutative rings and generalize [ 13, proposition 3. 1 ]

    1 ] ,考慮ore擴張、冪級數環、斜冪級數環和斜laurent多項環上的情,得出定理3
  2. According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas

    中,針對復雜的交變載荷,採用運動強化模型,反映了塑性變引起的各向異性和包辛格效應,運用jhansale模型描述材料的瞬態應力應變關系。
  3. In chapter 3, 1 consider the nonlinear parabolic equation : where a bounded domain with smooth boundary in ; v is outward normal vector on is a positive function satisfying some compatibility conditions focus my attention on the case of m > 1, to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution

    運用緊致性原理及moser得到了解的整體存在性和解的熄滅性質。第三章討論了如下的非線性拋物方程:其中m , , 0 , r ~ + ,為r ~ n ( n 1 )中的有界域,具有適當光滑的邊界( ? ) ; v是(
  4. Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method

    通過採用(多重)對角加邊的方法進行電力網路拓撲分割,以成適合以上分解法求解的對角加邊的系數矩陣,并行求解后並對過程進行阻尼牛頓法修正,以達到加速收斂的作用。
  5. We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix

    首先分析了裝配體的模型問題,提出了裝配體的數學模型及樹表示的裝配體表示模型,模型具有數據量小、操作簡單的優點:文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了定義,引入了裝配約柬概念,從而提高了裝配設計效率;在此基礎上,文章討論了裝配約束的求解方法,提出了newton rapson法的改進演算法,使得系統能更好地處理jacobi矩陣的奇異和病態的情
  6. Because of the several times of history national movement, emigration and change of dynasty, the chinese nation has become the form of mixture living conditions

    由於歷史上多次的民族遷徙、移民以及朝等原因,中國各民族的分佈成了又雜居又聚居、互相交錯居住的狀況。
  7. For the several reasons like ethnic moving, migaration and change of dynasty in history, the distribution of each ethnic forms a situation like saperation and congregation and both

    由於歷史上多次的民族遷徙、移民以及朝等原因,中國各民族的分佈成了又雜居又聚居、互相交錯居住的狀況。
  8. Owing to many historical reasons such as migrations of tribes, the change of dynasties and so on, ethnic groups of china has shaped a form as living in individual concentrated communities in small areas

    由於歷史上多次的民族遷徙、移民以及朝等原因,中國各民族的分佈成了又雜居又聚居、互相交錯居住的狀況。
  9. The relaxation iterative method of branch flow in tree - type river systems is extended to the loop - type river networks, which can turn the problem of any complex river networks hydraulics into the problem of a series of single river hydraulics ; 4

    將樹狀河系支流流量的鬆弛方法推廣為環狀河網支流流量的鬆弛方法,從而實現了對于任意河網的復雜水力計算問題都化為一系列的單一河道的簡單水力計算問題。
  10. When used in multidisciplinary environment, csso has several advantages over standard optimization method : reduction of the information transfer ; elimination of large iteration loop ; allowance of the use of corresponding subspace optimizers in different disciplinary analysis ; a parallel optimization architecture which is readily operable on a suite of heterogeneous equipments ; more natural fit to the current organization structure found in most institutes of aerospace and aeronautic design ; participation of the disciplinary experts to best deal with specific disciplinary models

    當應用於多學科設計環境時,并行子空間優化方法相對傳統優化方法有幾大優點:減少了學科間信息傳遞的數量;免去了大的循環;允許在不同學科分析模塊中應用不同子空間優化器;可以在不同設備上并行運行;結構框架適用於傳統學科組織;允許各學科專家最大限度地參與學科分析和設計。
  11. Explicit iterated integral formulae of the moments in various order of the hitting times of geodesic spheres by brownian motions on rotationally symmetric manifolds are given in this paper

    摘要主要給出了旋轉對稱流上布朗運動關于測地球面的首中時、球殼的首出時的各階矩的積分公
  12. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值收斂準則和輸出功率,用fox - li法求出反射鏡上實際的光強分佈和熱源,得到鏡面的位移變和單程附加相移,以zernike多項擬合單程附加相移,分別用法和幾何法計算了腔鏡變時的腔模光場,建立了光學元件對光束質量影響的評價因子,研究腔鏡冷卻效果和冷卻方,對輸出耦合鏡的變進行了分析。
  13. Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume

    推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組,並同時考慮時間因素和空間變位對波面勢函數的影響,在預設的計算精度下,通過時步內的循環逐一確定每個時步上的波面運動位置,從而建立了一種可適于求解強非線性波浪變計算的數值模
  14. The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model

    在傳統聚類演算法的基礎上,結合我們科學數據挖掘的應用對象?分子動力學數據,提出了網格聚類演算法, k -平均和基於密度結合的聚類演算法,過程中優化選擇中心點的k -平均方法,以及改進型的基於距離的聚類演算法等模識別方法,能夠解決傳統演算法帶來的諸多問題(比如一些傳統的聚類演算法常常收斂于局部最優,發現都模都趨近於球,劃分方法中次數過多帶來的效率問題) 。
  15. In the first part, we study three kinds of pre - conditioners - - block - triangular preconditioner, constraint preconditioner and block - diagonal preconditioner respective1y and fast iterative so1vers for indefinite 2 by 2 b1ock linear systems with zero ( 2, 2 ) block. the spectrum and form of eigenvalues of each preconditioned nlatrix are presented. all of the three kinds of preconditioned linear systems are so1ved by gmres ( 20 ) and theii efficiencies are cornpared

    在第一部分中,我們研究了三種不同的預條件矩陣一塊三角預條件矩陣、約束預條件矩陣和塊對角預條件矩陣作用到2 2塊線性系統(其中右下角塊為零)以後的快速解法,給出了預條件作用后系統的特徵值的譜和,比較了三種不同預條件作用后採用cmres ( 20 )方法求解的有效性。
  16. Furthermore, the global and superlinear convergence of the shamanskii modification of the newton method with the new line search are proved under the weaker conditions than those in ref [ 10 ] ( i. e.,

    在本章中,我什1將邪a ? nans汕6修正牛頓法的迭代形式作了進一步的改進,改進后的sha 。 a 。
  17. In chapter four, problem about parameters of gpc on - line tuning in frame of satisfactory control is researched, and a satisfactory model for multi - parameters on - line tuning is defined, and proposed a formula based on grade conception and one - dimension searching method. it ' s shown that the system ' s performance can be improved by this approach

    對多參數調整優化問題給出了滿意優化模型,並且對由此成的多變量尋優問題引入了梯度的概念和一維搜索的方法給出了該多參數尋優問題求解的杜十模糊btai與模糊約柬的浦意優化控制向量
  18. The accuracy of reliability calculation was improved in the derivative sfem method. the local derivatives of fem and numerical method were used to obtain the iterative formulas of the performance function ' s local derivatives. the procedure is relatively simple and adaptable to engineering application as the stiffness matrix formed and decomposed only once

    偏導sfem可靠度法求解構件疲勞可靠度,可靠度計算精度得到改善,通過有限元求偏導,結合數值微分技術,推導出了功能函數的偏導,只需一次成和分解總綱,計算較簡便,適合工程應用。
  19. This paper is devoted to seeking formulas and rules of representation for generating new fractal graphics. the main works are as followed : ( l ) construct new formulas for new fractal aspects after revisited methods for the visualisation of mandelbrot and julia sets based on ifs, we described the other new formulas originating from z z2 + c. including norton and polynomials iterated function, which have integer index instead quadratic index, we also constructed formulas with complex number index. 3 - d dynamical system is discussed then. besides the most widely used sequential visualisation methods, we designed two methods to change the original vectors and get new graphics with special effects

    在對公指數的推廣中,包括指數為整數的牛頓法和多項法,還包括指數為復數的;在離散動力系統的吸引子生成演算法討論中,將復數z向高維空間推廣,重點論述了生成了三維離散動力系統吸引子的收斂條件,實現了此吸引子對應的三維空間向量在平面上的投影圖的條件;還討論了前對初值點進行兩種不同變換對得到的分的影響,以及這兩種變換組合圖的生成。
  20. In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods

    對於野外數據採集採用多測線上放射狀布置檢波器;圍繞層析成像方法,文章分析了線性差值射線追蹤lti技術,推導出在矩網格內速度以雙線性關系變化時方程組的解析,進一步詳細探討方程組的求解方法,即最小平方正交分解法,並給出了
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