拉格朗日 的英文怎麼說

中文拼音 [lǎng]
拉格朗日 英文
joseph louis lagrange
  • : 拉構詞成分。
  • : 格象聲詞rattle; gurgle
  • : 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
  • : 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...
  • 拉格 : copper legre
  1. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程,運用數學上的拉格朗日條件極值求解法,建立最優化數學模型,求出環矩形負壓吸附導軌的結構參數的比例情況,並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。
  2. 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,給出了一種新的網粗化演算法和構造提升運算元的代數途徑。
  3. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。
  4. Research on emile borel ' s work on improving lagrange interpolation polynomial

    對波萊爾改進拉格朗日插值公式思想方法的研究
  5. Based on the computed steering angles this paper builds lunar rover ’ s mathematic model using lagrange function

    在此基礎上,採用拉格朗日方程對月球車進行建模。
  6. Focused on the asymptotic behaviour of mediant for fourth order lagrange ' s mean value theorem and obtained the main results as followed ( the equation is abbreviated )

    摘要對四階拉格朗日中值定理中間點的漸近性質進行了研究,得到的主要結果是(方程式略) 。
  7. For the geometry depicted in figure 2-2, the lagrange multiplier is positive.

    對于圖2-2中所畫的幾何圖形來說,拉格朗日乘子是正的。
  8. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形,我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個柱面坐標系中表示出來,而對仿射星形曲線的情形,我們用積分方法解出了歐-拉格朗日方程,利用killing向量場及線性李代數s1 ( 2 , r ) 、 s1 ( 3 , r )和s1 ( 4 , r )的分類將高階結構方程降為一階線性方程,因此我們用積分完全解出了中心仿射p -彈性曲線。
  9. Obtaining the formula of the swinging period of a synchronous satellite with lagrange ' s equation

    拉格朗日方程推導同步衛星的擺動周期
  10. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法,導出了大位移彈塑性梁單元剛度矩陣的顯式表達式,在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各自的二階效應會相互抵消,因此忽略其中的任何一項都可能導致不正確的結果。
  11. When the arm rising or descending suddenly or when the whole vehicle moving or stopping, the aerial working platform vibrates too seriously. so it ' s necessary that dynamic analysis for aerial working platform be performed

    本文運用了分析力學的方法對直臂式高空作業車進行了動力學分析,即運用拉格朗日方程法對直臂式高空作業車的整體建立起了動力學模型。
  12. The computation results showed that the multi _ body system model was accuracy, the fuzzy _ pid compound control scheme was compact, both was just combined well, and this system had a good performance on improving the vehicle ' s ride comfort characteristics

    計算結果表明,以多剛體系統動力學的拉格朗日方法所建數學模型模擬精度高,計算效率高,方法可行,多剛體系統動力學模型同模糊pid復合控制策略結合較好,是一個行之有效的進行綜合模擬和優化控制的系統。
  13. Abstract : a statistical - simulation spectrophotometric method for the assayof the individual components in the compound formulation has been developed by building a model of the real absorbance - concentration relationships at several sensitive wavelengths with lagrange - interpolation

    文摘:對統計模擬分光光度法測定復方制劑組分含量的方法進行了改進,用拉格朗日插值法建立靈敏波長下吸光度和組分含量之間關系的模型。
  14. The topics covered in this course include : unconstrained optimization methods, constrained optimization methods, convex analysis, lagrangian relaxation, nondifferentiable optimization, and applications in integer programming

    這門課程的主題包括:無限制最適化方法,限制最適化方法,凸分析,拉格朗日鬆弛法,不可微分函數最適化,以及在整數規劃上的應用。
  15. In order to calculate easily and do n ' t influence the single - chip microcomputer ' s calculate velocity, we put forward two scheme to deal with the numerical value, one is to use a simple function to close or approach a normal function f ( x ) ( mainly is lagrange ' s intepolation, newton ' s intepolation, hermite ' s intepolation, cubic spline interpolation, etc. ) the other one is function approach ( mainly is chebyshev ' s polynomic. legendre ' s polynomic, laguerre ' s polynomic, method of least squares, etc. ), we analyze and compare the lagrange ' s intepolation and chebyshev ploynomic, at last, we select the chebyshev polynomic to do the value calculating on single - chip microcomputer

    提出了數值處理的二種方案。即用簡單函數近似或逼近一個一般函數f ( x ) (主要有拉格朗日插值、牛頓插值、埃爾米特插值、三次樣條插值等)和函數逼近(主要有切比雪夫多項式、勒讓德多項式、蓋爾多項式、最小二乘法等) ,對上述兩個方案中的典型函數?拉格朗日插值和切比雪夫多項式進行了分析比較,最後選取切比雪夫多項式完成單片機上的數值計算。
  16. There is also a comprehensive treatment of optimality conditions, lagrange multiplier theory, and duality theory

    這門課程也包括了對最適化條件,拉格朗日乘數理論,和對偶理論的綜合論述。
  17. 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。
  18. There are five points in space, called lagrangnian points l1 to l5, where the gravity of the sun and earth exactly cancels out each other. objects residing at these points are in some sort of gravitational equilibrium. more intriguingly, probes can orbit about these lagrangnian points even if no object is present there

    以太陽和地球為例,太陽和地球之間的重力在5處不同的地方剛好互相抵消,稱為拉格朗日點l1 - l5 ,物體可以停留在拉格朗日點中而不受重力影響,即使點中沒有物質,物體也可以圍繞拉格朗日點公轉。
  19. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學分析:建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末端執行器位姿產生微分運動,以用於求加速度及力在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重力載荷,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩共同算得各關節的驅動力矩。
  20. The masses arise from the terms in the lagrangian that have the particles interacting with the higgs field

    這些質量來自於拉格朗日函數中,一般粒子與希斯場的交互作用項。
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