拉格朗日問題 的英文怎麼說

中文拼音 [lāgélǎngrìwèntí]
拉格朗日問題 英文
lagrange problem
  • 拉 : 拉構詞成分。
  • 格 : 格象聲詞rattle; gurgle
  • 朗 : Ⅰ形容詞1. （光線充足; 明亮） light; bright 2. （聲音清晰響亮） clear and loud Ⅱ名詞（姓氏） a surname
  • 日 : Ⅰ名詞1 （太陽） sun 2 （白天） daytime; day 3 （一晝夜; 天） day 4 （泛指某一段時間） time 5 （日...
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 題 : Ⅰ名詞1. （題目） subject; title; topic; problem 2. （姓氏） a surname Ⅱ動詞（寫上） inscribe; write
  • 拉格 : copper legre
  • 問題 : 1 （需回答的題目） question; problem 2 （需研究解決的矛盾等） problem; matter 3 （事故或意外） tr...
  1. For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed

    摘要針對一類帶間斷系數的橢圓邊值問題，在非結構四邊形剖分下，討論了兩種二次拉格朗日有限元方程的代數多重網格法，通過利用雙線性元和二次元基函數之間的表示關系，給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。
  2. This optimizing method had been used successfully in full - scale aircraft testing. 6 ) in the global equilibrating, a modified lagrange multiplier method had bring forward. this method can solve inequality constrained optimizer problems

    在整體平衡中，提出了改進的拉格朗日乘數法，成功地解決了含不等式約束條件的優化問題，該方法具有計算簡單，收斂速度快等特點。
  3. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。
  4. As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique

    針對葉片的結構特點，採用適應較強的三維八節點實體單元模擬葉片，建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時，受到離心力作用，使葉片發生大變形，故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態，建立了考慮葉根?輪緣接觸的有限元方程，利用拉格朗日增廣演算法來求解該方程，確定葉根輪緣之間的接觸面狀態。
  5. Abstract : this paper discussed two mathematical models for the problem of selecting an expansion plan over a planning horizon for an electric utility system. one of which is the model of optimal sequencing of power plants which is solved using lagrangian relaxation. another is the model of operation. the paper explicated concrete application of the lagrangian relaxation method in calculating block diagram for sloving the scheduling model and considered variable operating expense when calculating

    文摘:運用系統工程方法，建立了火電站興建次序優化模型及火電站運行方式模型，採用拉格朗日鬆弛法研究火電站興建次序的優化，並給出了火電站興建次序優化模型的拉朗日鬆弛法計算.在優化計算過程中考慮了可變運行費用問題
  6. We present and analyze a modified penalty functions ( mpf ) method for solving constrained optimization problems with inequality constraints. this method combines the modified penalty and the lagrangian methods

    本文提出並分析一種解決不等式約束最優化問題的修改的罰函數法，這一方法綜合利用修改的罰函數和拉格朗日法。
  7. To circumvent the non - differentiable difficulty caused by the positive homogeneously function that is involved in an equivalent unconstrained formulation for general inequality constrained optimization problems, we turn to the classical lagrangian function and redefine m ( x ) by a conic optimization problem with the lagrangian as the objective function

    為了克服不可微正齊次函數（ ? | r _ - ~ m ）給約束優化問題的等價無約束形式求解帶來的困難，我們將其目標函數m （ x ）重新用一個以經典拉格朗日函數為目標的錐優化問題來表示。
  8. To the inequality constrained least squares adjustment problem, this paper converts many inequality constraints into one equality constraint by using aggregate function of non - linear programming ; a basic augmented lagrangean algorithm can obtain the solutions for equality constrained non - linear programming problem and the solutions are identical to those obtained by the bayesian method and / or simplex algorithm

    摘要對不等式約束最小二乘平差問題，藉助非線性規劃中的凝聚約束方法把多個不等式約束轉化為一個等式約束，採用拉格朗日極值法求解，解與貝葉斯解或單純形解一致。
  9. Abstract : three - dimensional, time - dependent, compressible fluid flow problems have been studied with the finite volume scheme based upon an arbitrary lagrangian - eulerian scheme. a general program for arbitrary mesh has been developed. this program can be used to the fluid flow with arbitrary shape boundary condition and moving boundary condition. as an example, the fluid flow in a simple tundish is calculated, and the time - dependent fluid flow distribution is given out

    文摘:在歐拉與拉格朗日耦合的框架下，利用有限體積法對非定態三維可壓縮流體流動問題給予研究，開發了一般網格下的通用計算程序.該程序適用於計算復雜幾何邊界條件、運動邊界條件等情況下流體流動問題.作為例子，計算了簡單中間包內流體的流動情況，給出了隨時間變化的流場分佈
  10. Review of linear algebra, applications to networks, structures, and estimation, lagrange multipliers, differential equations of equilibrium, laplace ' s equation and potential flow, boundary - value problems, minimum principles and calculus of variations, fourier series, discrete fourier transform, convolution, applications

    線性代數回顧，網路，結構以及估計的應用，拉格朗日乘數，平衡態的微分方程，拉普拉斯方程和勢流，邊值問題，最小值原理和變分法，傅立葉級數，離散傅立葉變換，卷積，應用。
  11. The second chapter reveals the mathematical essence of entropy regularization method for the finite min - max problem, through exploring the relationship between entropy regularization method and exponential penalty function method. the third chapter extends maximum entropy method to a general inequality constrained optimization problem and establishes the lagrangian regularization approach. the fourth chapter presents a unified framework for constructing penalty functions by virtue of the lagrangian regularization approach, and illustrates it by some specific penalty and barrier function examples

    第一章為緒論，簡單描述了熵正則化方法與罰函數法的研究現狀；第二章，針對有限極大極小問題，通過研究熵正則化方法與指數（乘子）罰函數方法之間的關系，揭示熵正則方法的數學本質；第三章將極大熵方法推廣到一般不等式約束優化問題上，建立了拉格朗日正則化方法；第四章利用第三章建立的拉格朗日正則化方法，給出一種構造罰函數的統一框架，並通過具體的罰和障礙函數例子加以說明。
  12. Many factors are considered in the study of the nonlinear buckling bearing capacities of the representative concrete filled circular and square steel tube columns, these factors include the sectional form, the slenderness ratio, the steel ratio, and the eccentricity ratio. the comparison between the test and calculating results shows that they have a good agreement. in theoretical investigation of the time - dependent behaviour of cft specimens, based on the three - dimensional viscoelastic theory, this paper proposed the three - dimensional finite element model of creep of core concrete, in which a linear three parameters visoelastic model was adopted

    在對鋼管混凝土構件極限承載力的分析計算中，本文提出了核心混凝土的三維非線性應力?應變全量和增量本構關系模型，採用完全的拉格朗日表述來考慮與變形歷史有關的大變形問題，並對長細比、含鋼率和偏心率在較大范圍內變化的方、圓鋼管混凝土構件的非線性屈曲承載力分別進行了試驗和理論對比分析研究，結果表明二者符合較好。
  13. Abstract : this paper discusses the conditional problem of the higher order derivatives depending on more than one function, sovles conditional problem of variation of definite integral constraint by using lagrange ' s method of multipliers, and studies the conditional problem of variation of more than one definite integral constrains

    文摘:討論依賴于多個函數的高階導函數的泛函的變分問題，並且利用拉格朗日乘子法討論此類泛函的一種書有定積分約束的條件變分問題的解法.最後討論有多個定積分約束的條件變分問題
  14. This paper discusses the conditional problem of the higher order derivatives depending on more than one function, sovles conditional problem of variation of definite integral constraint by using lagranges method of multipliers, and studies the conditional problem of variation of more than one definite integral constrains

    討論依賴于多個函數的高階導函數的泛函的變分問題，並且利用拉格朗日乘子法討論此類泛函的一種書有定積分約束的條件變分問題的解法.最後討論有多個定積分約束的條件變分問題
  15. The conclusion that a set of extremum questions can not be solved by lagrange - multiplication is explained through analysising the extremum questions under linear target functions and linear constrained conditions

    摘要通過對線性的目標函數在線性的約束條件下的極值問題的分析，得到這類極值問題一般是不能用拉格朗日乘數法求解。
  16. The dynamics problem of the robot is analyzed and the explicit solution of dynamics equation is given by lagrange method that established the foundation of dynamics optimization. the dynamics equation is established by newton - euler formula, and the joints ’ moment is worked out and simulated with matlab. finally, by considering principal axis, a 7 - dof tow placement robot is formed

    對鋪絲機械手的動力學問題進行了分析，採用拉格朗日方法推導出具有顯式結構的動力學方程，為后續的動力學優化打下了基礎;通過牛頓-歐拉遞推公式建立起封閉形式的動力學方程，計算出各個關節所需的驅動力矩，並用matlab程序進行了模擬。
  17. Maximum entropy method is an effective smoothing one for the finite min - max problem, which, by adding shannon ' s informational entropy as a regularizing term to the lagrangian function of min - max problem, yields a smooth function that uniformly approaches the non - smooth max - valued function

    極大熵方法是解有限極大極小問題的一種有效光滑化法，它通過在極大極小問題的拉格朗日函數上引進shannon信息熵作正則項，給出一致逼近極大值函數的光滑函數。
  18. Lagrange three body problem

    拉格朗日三體問題
  19. Proving lagrange theorem mean through the introduction of auxiliary function, this article puts forword the methods of building auxiliary function by the mathematical operations and two functions compound operation ; this is a method building all elementary function by the basic elementary function, which is a way to solve the problem of the auxiliary function building

    摘要文章給出了用四則運算以及兩個函數的復合運算構造輔助函數來證明拉格朗日中值定理的方法，這也是用基本初等函數構造全部初等函數的方法，因而比較圓滿地解決了輔助函數構造問題。
  20. Abstract : in this paper, the proving of the generalized variational function ， of elastic and plastic contact problem is simplified by use of the vector analysis method

    文摘:用拉格朗日乘子法，利用向量分析的工具及巧妙的變換，對帶摩擦約束的彈塑性接觸問題的變分不等原理進行了嚴格的證明。
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