非凸性模 的英文怎麼說

中文拼音 [fēitūxìngmó]
非凸性模 英文
modulus of non convexity
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 凸 : Ⅰ動詞（高出） bulge; protrude Ⅱ形容詞（高於周圍） protruding; raised
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  1. Theory of portfolio optimization is an important part of the modern ? nance in - vestment theories, which uses mathematical facilities such as convex analysis, random analysis, nonsmooth analysis, ( nonlinear ) programming etc, combined with the mean - variance method the basic method of modern portfolio theory. by setting up mathe - matical models, discussed the investment rules of ? nance market and o ? ered theoretic guide for investors

    投資組合優化理論是現代金融投資理論的重要組成部分，它運用凸分析、隨機分析、非光滑優化、 （非）線性規劃等數學工具，並與現代投資組合理論的基本方法均值方差方法相結合，通過建立數學模型討論金融市場投資規律並為個人或機構投資者提供理論指導。
  2. This paper applies generalized multipler method to translate convex quadratic programs with equal constraints and non - negative constraints into simple convex quadratic programs with non - negative constraints. the new algorithm is gotten by solving the simple quadratic program. it avoids the computation of inverse matrix and exploits sparsity structure in the matrix of the quadratic form. the results of numerical experiments show the effectiveness of the algorithm on large scale problems

    根據廣義乘子法的思想，將具有等式約束和非負約束的凸二次規劃問題轉化為只有非負約束的簡單凸二次規劃，通過解簡單凸二次規劃來得到解等式約束和非負約束的凸二次規劃新演算法，新演算法不用求逆矩陣，這樣可充分保持矩陣的稀疏性，用來解大規模稀疏問題.數值結果表明：在微機486 / 33上就能解較大規模的凸二次規劃
  3. In actual language interactions, the speaker often makes use of, if not manipulates conventional politeness memes to make salient his or her polite intention, whereas the hearer often goes beyond the conventional meaning or literal meaning of linguistic politeness memes to understand and interpret the communicative intention intended by the speaker before making politeness evaluations

    在現實生活中，說話人完全有可能利用甚至調控大多數人所認同的規約性禮貌模因來凸顯自己的禮貌意圖，聽話人則經常透過語言模因的規約意義或字面意義來解讀說話人意欲傳遞的交際意圖，從而對說話人的語言模因重新做出禮貌、非禮貌或不禮貌的評價。
  4. The main contributions are as following : the dynamic modeling, the solution of the linear and nonlinear differential equations, the dynamic response of the system, and so on. on account of the influence of the model of the high - speed cam - follower system on the dynamic character, the two modelings, the modeling with consideration of the clearance between the cam and the follower and the modeling without consideration of the clearance, were been addressed firstly

    本課題主要對高速凸輪機構的周期時變系統的動力學問題進行了相關研究，具體在高速凸輪機構作為周期時變系統的動力學建模、凸輪系統的周期時變模型的線性和非線性的微分方程的求解方法探索和凸輪系統的動態特性分析等方面做了一些工作。
  5. Under the assumptions of non - convexity and non - degeneration, it is proved that the solutions of the initial - boundary problem to this viscoelastic model tend towards the travelling wave solution of the corresponding cauchy problem time - asymptotically for zero boundary speed and small initial perturbation by a weighted energy method

    對粘彈性模型，用權能量方法證明了在非凸非退化的情形下，當邊界速度為0 ，初始值具有小擾動時，具初邊值問題的解收斂于相應的柯西問題的行波解。
  6. In research of controlling system about the switched reluctance motor system ( srd ), there are two prominent problems, one is that it is difficult to set up accurate mathematical model of srm due to serious nonlinearity caused by double - salient structure, the other is that the previous schemes of srd are always equipped with rotor position sensor, which determines the system ' s high speed performance, reliability and cost. as a result, how to detect the position of non - position sensor rotor has become one major direction in the study o f srd

    其中較為突出的問題是： 1 ）由於sr電機的雙凸極結構，電機模型具有嚴重的非線性，使得建立sr電機的數學模型非常困難； 2 ）轉子位置傳感器的存在影響了電機控制系統的高速性能、可靠性和成本，所以研究無位置傳感器轉子位置檢測技術（或間接位置檢測技術）是開關磁阻電機系統（ srd ）系統研究的重要課題之一。
  7. The effective stiffness are compared with the ones by nozaki for n = 4. numerical results show that the nature of the imperfect interface has significant effect on stiffness of a convex polygon - shaped fibers composites

    並以正四邊形纖維橫截面作為算例，將所得有效模量與nozaki結果比較，數值結果表明界面的非完美性質對凸多邊形纖維增強復合材料的有效性能有明顯影響。
  8. In nature, opf belongs to a kind of large scale nonlinear programming problem with equality and inequality constraints, having a non - convex, high - dimension and highly sparse characteristic

    Opf本質上屬於一個具有等式和不等式約束的大規模非線性規劃問題，具有非凸、高維數、高度稀疏的特性。
  9. The two kind of harmonic balance methods, analytical hbm and dft numerical hba, are used for the analysis of the parametrically excited flexible cam - follower system with consideration of the clearance between cam and follower. through the two methods, the system equation is reduced to a series of nonlinear algebraic equations

    這種非線性代數方程組需要依靠數值計算的迭代法才能求解，而由於問題的復雜性，普通的newton法很難求解，本文採用一種廣泛應用的擬newton法一一broyden方法來求解，得出了出含間隙凸輪系統模型的穩態響應。
  10. Based on g - w contact model, two rough surfaces in contact were simplified to a smooth one and a rough one which has regular rectangular asperities, and a three - dimensional transient thermal and stress coupled fem model was established using thermal - structure sequential coupling. the course of the sliding with friction was simulated using the nonlinear multiphysics field fem, meanwhile considering thermal - elastic problems of the two bodies, to calculate and analyze the temperature, contact pressure and stress of the sliding contact surfaces with frictional heating

    基於g - w接觸模型，將兩個粗糙表面簡化為一個有規則排列的長方體微凸體的粗糙表面與一光滑表面，利用熱結構順序耦合建立三維瞬態有限元計算模型，考慮兩個物體摩擦接觸的熱彈性問題，採用非線性有限元多物理場來實現，對粗糙表面接觸模型的瞬時摩擦溫度場、壓力場和應力場進行了計算分析。
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