數值微分法 的英文怎麼說
中文拼音 [shǔzhíwéifēnfǎ]
數值微分法
英文
numerical differentiation- 數 : 數副詞(屢次) frequently; repeatedly
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
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The structure method of auxiliary function is very important in solving questions about middle value theorem in differential calculus
摘要構造輔助函數法是解決有關微分中值問題的一種重要數學方法。According to different features of conclusion about middle value questions in differential calculus, four kinds of methods about the auxiliary function structures will be concluded
針對微分中值問題的結論的不同特徵,本文歸納出了輔助函數的四種構造方法。In the end, the stability is discussed under the coulomb friction model, getting the normal force compensation method and the additive vibration control method, which are to stabilize the friction drive system to realize the controllability and stability, which is simple to realize in the micro manipulator
並通過對coulomb摩擦模型的穩定性討論,得出正壓力補償控製法,即以穩定摩擦力驅動摩擦振子實現微操作手運動的可控性及穩定性的方法分析。通過數值方法驗證正壓力補償控製法的適用性,為微操作器的運動控制提出可行方法。The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。The model is based on the theory of physical optics ( po ), geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ), and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method
該模型基於物理光學( po ) 、幾何繞射理論( gtd ) 、一致性繞射理論( utd ) ,利用改進的射線跟蹤法對微蜂窩中電波傳播特性進行了數值分析計算。Lagrange multiplicator method is introduced in the numerical computation to release the constraint. galerkin method based on the variation principle is used to solve differential and integral equations
Galerkin方法是基於變分原理基礎上的一種把微分方程或積分方程轉化為等價的變分方程,通過離散變分方程求原方程數值解的方法。Adopted numerical value integral method into the explain of the basic heat - conduct differential equation based the stabilization flow. get temperature changes rule of the cold - blowing and hot - blowing period of the cold - cumulating and dry - able tin
採用數值積分法對基於穩定流的基本傳熱微分方程組進行求解,進一步了解了影響蓄冷器效率的主要因素。The fuel cells models are presented in chapter 3. based on the balance conditions in fuel cells stack, the dynamic performance is analyzed. the dynamic model is developed with a set of correlation equations of voltage, fuel utilization, current density and other variables involved in the operating course, which are some partial differential equations with variable coefficients
第三章以熔融碳酸鹽燃料電池為例,以數值分析的方法,根據mcfc電堆發電過程中物質與電量平衡,分析了電堆的內部動態特性,就輸出電壓與燃料氣體利用率和電流密度等相關量建立了由一組變系數偏微分方程和積分方程描述的數學模型。The soft tissues are discreted to a mass - spring - damper system, and the topologies of the system are described using adjacent tables, the dynamical equations can be constructed based on the data stored in the adjacent tables. the 4th order runge - kutta method is used to integrate the equations of deformation. using computer graphical techniques to display the visual feedback of the deformation
將連續的軟組織離散為由彈簧-阻尼器及與其連接的質點構成的離散系統,用鄰接矩陣表示離散系統的拓撲結構,即質點-彈簧間的鄰接關系,依據該信息,可自動計算與每個質點連接的彈簧、阻尼器對接點的粘彈性力的貢獻,然後採用4階runge - kutta方法對得到的微分方程組進行數值積分,用opengl技術對得到的模擬結果進行圖形繪制。The numerical differentiation of first and second order with tikhonov regularization
正則化方法求一階和兩階的數值微分Accurate solution of non - linear dynamic systems by numerical integration method
非線性動力學常微分方程組高精度數值積分方法In the text, differential coefficient method and numerical value differential coefficient method have been introduced for crank slide block machine accuracy analysis, and influence of the fitting clearance of moving pair to component moving error has been given
文章介紹了微分法及數值微分法曲柄滑塊機構精度分析,說明了運動副的配合間隙對構件運動誤差的影響。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迭代格式,只需一次形成和分解總綱,計算較簡便,適合工程應用。Academician prof zhong wan - xie presented precise integration method firstly in 1993, and ordinary differential equation can be solved precisely by this method. in this article, improved precise integration method is given firstly. then on the basis of improved precise integration method, a new method for calculating the response of dry friction system is presented, and the calculation precise degree of this method is tested by the comparison with ihb method
1993年鐘萬勰院士提出了精細積分法,它可以精確求出常系數常微分方程的數值解,本文首先提出精細積分改進演算法,進一步提高了其計算精度,然後在改進的精細積分法基礎上對于摩擦系統響應的計算方法進行了研究,並用ihb法對這種計算方法的計算精度進行檢驗,結果證明這也是計算干摩擦隔振系統響應的有效方法之一。3 elastic exponential progression solution which is widely recognized by the field of civil engineering are applied to analysis of the pcc pile under lateral load, and the results are compared with that of finite elment method. accordingly, the validation of program is once more proved
3 、應用樁身撓曲彈性微分方程冪級數解析法對本文中的pcc樁算例進行了分析,並將分析計算結果與有限元計算結果進行了對比,進一步驗證了本文有限元數值演算法運用於pcc樁水平承載計算的正確性和有效性。Based on the asymptotic properties for numerical integral formulas, this paper obtains a class of finite difference methods for solving initial value problems of odinary differential equations, and studies the consistency and stability of new methods
摘要基於數值積分公式中間點的漸近性質,獲得了一類求解常微分方程初值問題有限差分方法,研究了新方法的相容性和穩定性。For the mathematics model of differential / algebraic equation system, the penalty function is introduced in numerical computation, and runge - kutta method and newton - raphson method are used respectively in solving the ordinary differential equations and nonlinear equation systems. the process and the results are carried out under corba environment
本論文採用近年發展的懲罰函數方法進行數值積分,對于常微分方程,採用runge - kutta方法進行數值積分,對于代數方程,採用newton - raphson迭代方法求解,並在corba環境下實現。Numerical continuation method for solving nonlinear difference equations of ordinary differential equation boundary value problem
解非線性常微分方程邊值問題差分方程的數值延拓法Mss consists of mathematics & applied mathematics dept., information & computing science dept., probability & statistics dept. and college mathematics dept. with ten subject orientations : algebra, function theory, computing science, numerical solution of differential equation, functional differential equation and its application, applied probability and statistics, mathematics mechanization, cad, coding security and financial mathematics
有代數、函數論、計算數學、微分方程數值解法、泛函微分方程及應用、應用概率統計、數學機械化、計算機圖形處理、密碼安全、金融數學十個學科方向。This kind of simulation is a typical stiff system and the stiff integration method with variable order and step size should be applied. on the basis of analyzing the solution of stiff problems of the full dynandc simulation in essence, the gear method, a numerical integration method that is suitable to solve stiff differential equations is studied
在深入研究微分方程數值積分的基本理論和剛性微分方程的數值積分方法的基礎上,本文根據微分方程的數值方法的收斂性和穩定性的基本理論,對適用於求解剛性微分方程的數值積分方法? ? gear法進行了深入的研究和分析。分享友人