牛頓方法 的英文怎麼說
中文拼音 [niúdùnfāngfǎ]
牛頓方法
英文
newton's method- 牛 : 名詞1. (哺乳動物) cattle; ox 2. (姓氏) a surname
- 頓 : 頓名詞(人名用字) a word used in a person's name
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 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...
- 牛頓 : [力學] large dyne; newton (n)牛頓環 newton s ring; 牛頓萬有引力定律 newton s law of gravitation...
- 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
-
The numerical simulations demonstrate the convergency within a wide region of this method to out - perform the conventional regularization gauss - newton method
通過與傳統的正則化高斯牛頓法相比較,顯示了小波多尺度法是一個大范圍收斂、能夠有效節省計算量的方法,數值模擬的結果也表明了方法的有效性。Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics
伽利略強烈反對亞里士多德式的傳統思維觀念,在長期深入的運動研究中發展了同一性和連續性思想,以及把物質性質劃分為兩類的機械唯物主義思想;他著書立說駁斥「地靜說」 ,捍衛和宣揚「地動日心」的宇宙結構,推動了「哥白尼革命」 ;他深入研究運動,獲得大量科學理論,為牛頓綜合提供了豐富的材料;他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法,並賦予一些古老研究方法以現代含義,大大推進了科學認識的發展,開創了現代物理學歷史。It is nothing else than the division, the summing and the ratio of the intuitionistic continuun that become the basic manner in which newton and leibnitz established their universal differential coefficient and integral arithmetic
正是對這個直觀連續統的分割、求和、求比成為牛頓和萊布尼茨建立他們的普遍的微分和積分演算法的基本方式。Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure
文摘:探索比例優勢模型在臨床醫學中常見的多結局區間截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計,用牛頓-拉普森演算法估計回歸系數,用"夾心方差"估計量作為參數方差的估計.通過隨機模型檢驗模型應用的有效性Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last
在基於專家系統的故障診斷方法中,採用了產生式知識表達和正向推理機制;在基於神經網路的故障診斷方法中,則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。This dissertation studies the exterior ballistics characteristics of the target sensitivity projectile ( tsp ) in detail, first simplifies it ' s model, analyses the dynamic relation of three rigid bodies among friction plate, parachute and projectile with the method of r - w multi - bodies
對末敏彈實體模型簡化后,運用多剛體動力學中的r - w方法和牛頓-歐拉方法對末敏彈系統各剛體之間的力學關系進行了分析,建立了末敏彈運動的數學模型。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,以形成適合以上分解法求解的對角加邊形式的系數矩陣,并行求解后並對迭代過程進行阻尼牛頓法修正,以達到加速收斂的作用。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、拉蓋爾多項式、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。According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger
運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一位置的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。Using newton mechanics method discussion about conservation condition of mechanical energy, we get the conservation under zero rotation and implict time in potential formula
摘要本文用牛頓力學方法分析了機械能守恆的條件,指出只有力滿足旋度(方程式略)的條件,而且在勢能的表達式中不顯含時間,機械能才守恆。By means of c - language, the paper has developed a large - scale computer program, in which the combination of both the newton iteration and the gradient method is introduced to solve reynolds equation and film thickness equation, and the march method is used to solve the energy equation and heat interface equations, the satisfactory results are obtained
本文採用c語言編制了大型計算機程序進行數值計算,數值計算中採用梯度-牛頓聯合法求解reynolds方程和油膜厚度方程,採用步進法求解能量方程和熱界面方程,獲得了滿意的數值結果。In the second chapter, we used the two deformed newton which was discussed in the chapter 1 to solve the problem of finding the roots of nondifferentiable equations and established convergence theorems using majorant method
在第二章中,用第一章討論過的兩種牛頓迭代來解決不可導方程的求根問題。並且用優序列方法給出了收斂性定理。To take the interference phenomenon of newton ' s ring as an example, the design method of the web page courseware on web server side is explained
摘要以牛頓環干涉現象為例,具體說明了服務器端網頁課件的設計方法。Through newton ’ s law of motion, the continuous model of the cantilever is built. the author discretizes the model through lumped mass method and supposed modal method, analyzes the discretized model through influence coefficients method. compare the results of the two models ; the general analysis method of non - uniform beams is obtained
其次,對懸臂梁結構進行了理論分析,應用牛頓運動定律,建立了懸臂梁系統的連續模型,並用集中質量法和假設模態法對懸臂梁系統進行了離散化,運用影響系數法對離散化后的系統進行了分析,並把分析結果和連續系統進行了對比,得到了變截面梁的一般分析方法。And lager step size could be used in the integral process. based on the gear method and the differential - algebraic equation simultaneous solution method, the newton iteration formula is derived in this thesis
本文根據電力系統全過程動態模擬軟體的基本積分方法( gear法)和微分一代數方程聯立求解法,構造了gear法聯立求解微分方程組和代數方程組的牛頓迭代公式。Global convergence of the non - quasi - newton method for unconstrained optimization problems problems
基於非擬牛頓方法無約束最優化問題的全局收斂性The process described in this section is a generalization of newton's method for a single equation.
本節所敘述的是對單個方程的牛頓方法的一般化。Disturbed newton methods for nonlinear equations
非線性方程組的擾動牛頓方法An interior - point potential reduction algorithm is established to solve general nonlinear programming by a combination of the classical damped newton method and the primal - dual interior - point potential reduction method for linear programming
摘要結合經典阻尼牛頓方法和線性規劃內點勢減方法建立了一個求解一般非線性規劃問題的內點勢減演算法。Based on the algebraic transformation and the frame of kmm algorithm, a self - adjusting factor was embedded into newton equations for p0 linear complementarity problem, a new infeasible interior point algorithm for p0 linear complementarity problem ( p0 - lcp ) was developed and its global convergence analysis was established
摘要基於代數變換和kmm演算法的框架,通過在牛頓方程中嵌入一種自調節功能,提出了一種新的求解p0陣線性互補問題的不可行內點演算法,並證明了該演算法的全局收斂性。分享友人