numerical algorithm中文是什么意思

發(fā)音:

中文翻譯
造句

數(shù)值演算法

numerical algorithm group 數(shù)值算法組
numerical algorithm library 數(shù)值算法庫
numerical integration algorithm 數(shù)值積分算法
numerical test algorithm 數(shù)字檢驗(yàn)算法
semi-numerical algorithm 半數(shù)值算法
numerical adj. 數(shù)字的；數(shù)值的；用數(shù)字表示的。 (a) numerical order 號數(shù)。 a numerical statement 統(tǒng)計(jì)。 the numerical strength 人數(shù)，兵數(shù)。 adv. -ly 用數(shù)字，在數(shù)字上。
algorithm n. 【數(shù)學(xué)】算法；規(guī)則系統(tǒng)；演段。
the algorithm 算法
analysis, numerical 數(shù)字分析
aperture, numerical 數(shù)值孔徑
application numerical 數(shù)值應(yīng)用
control, numerical 數(shù)值控制
error in numerical 數(shù)值計(jì)算誤差
estimator numerical 數(shù)字估值器
in numerical order 按數(shù)字順序
map numerical 數(shù)值變換
numeric, numerical 數(shù)字的數(shù)值的; 數(shù)字的,數(shù)值的來源
numerical aberration 數(shù)目畸變
numerical ability 計(jì)數(shù)能力; 數(shù)學(xué)能力
numerical algebra 數(shù)值代數(shù)
numerical algorithms 數(shù)值算法
numerical amount 數(shù)值數(shù)值量
numerical analysis 數(shù)值分析; 數(shù)值計(jì)算方法; 數(shù)值解析; 數(shù)字分析
numerical analyst 數(shù)值分析員; 數(shù)字分析員
numerical aperture 孔徑數(shù); 數(shù)碼孔; 數(shù)值孔徑; 數(shù)值口徑; 數(shù)字窗口

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例句與用法

A new numerical algorithm integrating a quasi-analytic numerical algorithm with the gear numerical algorithm is used to solve the ordinary differential equations with stiff problem . to accelerate the solving of ode, the optimum step method is introduced into the composite numerical algorithm
針對重整反應(yīng)模型方程的特殊結(jié)構(gòu)和剛性問題，提出了一種形式更簡單方便的近似解析數(shù)值算法和吉爾法相結(jié)合的混合數(shù)值算法，并引入了最優(yōu)步長方法。
The backward error and the structured backward error of the approximate solution are the criteria to judge the stability and the strong stability of the numerical algorithm . condition number is a measure of the sensitivity to the approximate solution for the perturbation of original date
近似解的最佳向后誤差和最佳結(jié)構(gòu)向后誤差的數(shù)值分別是判別算法的穩(wěn)定性和強(qiáng)穩(wěn)定性的標(biāo)準(zhǔn)，而條件數(shù)則是反映數(shù)值問題的解對于該問題數(shù)據(jù)擾動的敏感程度。
Firstly, much effort is put into the theoretic analysis and numerical algorithm research . to calculate the mode profile of soi rib waveguide with jumps in the refractive index, a new full-vectorial finite-difference method ( fdm ) based on the lagrange interpolation of the field is presented
由于soi材料中作為波導(dǎo)芯層的硅折射率很大，與作為包層的sio_2之間有很大的折射率差，這勢必對模擬數(shù)值算法的精度和邊界處理等方面提出了更高的要求。
Abstract : in this paper, a method of identifying physical parameters of surrounding rock of underground caverns in stratified layers is presented, based on expansion of small parameters . a feasible numerical algorithm is proposed to obtain mechanical parameters of surrounding rock bodies by measured displacements
文摘:根據(jù)小參數(shù)展開理論，提出了一種識別層狀地層中地下洞室圍巖物性參數(shù)的方法，為利用測量位移獲得圍巖巖體的力學(xué)參數(shù)提供了一種可行的數(shù)值算法。
This ph . d . thesis-firstly considers the real asymmetric, real symmetric, bisym-metric, and symmetric and skew antisymmetric matrix extension problems constrained by the matrix inverse problem ax = b . and also considers, in the solution set, of the corresponding matrix extension problems, the optimal approximation solution to a given matrix a * . the necessary and sufficient conditions for the existence of and the expressions for the above problems are derived, and the numerical algorithm and examples to solve the problems are also given
首次提出并討論了矩陣反問題ax=b約束下實(shí)矩陣、實(shí)對稱矩陣、雙對稱矩陣和對稱次反對稱矩陣的擴(kuò)充問題，討論了在其解集合中與給定矩陣a~*的最佳逼近問題，得到了問題的解存在的條件及通式的表示，給出求解問題的數(shù)值算法和數(shù)值例子。
First, in virtual of identification of flaws is a typical of in-verse problems, proceeding from time-harmonic electromagnetic maxwell's equa-tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given . second, the uniqueness and existence of inverse scattering problems and the theory of ill-posed integral equation are briefly looked back upon . finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near-field measurements and nu-merical simulation are given
由于缺陷的識別是一類典型的反問題，因而首先從時(shí)諧電磁maxwell方程和helmholz方程出發(fā)，具體地闡述了求解正散射問題的有關(guān)方法，包括各種(夾雜)邊界條件下的數(shù)值解法，就解的存在性唯一性給予了肯定的回答；隨后對逆散射問題的理論作了簡短的回顧，包括解的唯一性以及非線性不適定積分方程的處理等；然后對均勻介質(zhì)和非均勻介質(zhì)的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數(shù)方法，鑒于近場數(shù)據(jù)獲得的重要性，對近場測試時(shí)邊界識別的方法給予了相應(yīng)的證明，并且實(shí)現(xiàn)了數(shù)值模擬。
The finite element analysis method based on contact problem is a numerical algorithm used for solving contact problem of connection interface, which is developed from the general fem . this method is a combination of elasticity theory and fem, also it is an important aspect of computational structure mechanics
考慮接觸問題的有限元分析法是在傳統(tǒng)的有限元法基礎(chǔ)上發(fā)展起來的處理連接面接觸問題的一種數(shù)值計(jì)算方法，它是彈性力學(xué)基礎(chǔ)理論與有限元方法相結(jié)合的產(chǎn)物，是計(jì)算結(jié)構(gòu)力學(xué)的一個(gè)重要分支。
The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation . it includes the some important aspects, such as flux formulation, wall and far-field boundary treatment methodology, dissipative term formulation, etc . after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation . this can yields a significant saving over the other gradient-based techniques when there are many design variables
(3)進(jìn)行了應(yīng)用控制理論和三維歐拉方程的機(jī)翼氣動反設(shè)計(jì)研究，以及有升力約束情形下機(jī)翼跨音速減阻問題研究，分別推導(dǎo)了相應(yīng)的共軛方程及邊界條件數(shù)學(xué)表達(dá)形式，研究與發(fā)展了三維共軛方程的有限體積數(shù)值求解方法，及相應(yīng)梯度公式的數(shù)值求解方法，通過對計(jì)算網(wǎng)格生成、流場計(jì)算、共軛方程數(shù)值求解、梯度求解和優(yōu)化算法等多方面的有效結(jié)合，成功發(fā)展了三維機(jī)翼的氣動反設(shè)計(jì)和跨音速減阻優(yōu)化設(shè)計(jì)程序，成功地進(jìn)行了多個(gè)設(shè)計(jì)算例研究。
Furthermore, numerical algorithms used to solve the linear system are introduced . next, after briefly discussing several causes of the late-time instability of the tdie solvers, a novel viewpoint about the instability is proposed . the marching-on-in-time algorithm ( mot ) is described and some temporal bases are discussed
其次,在簡要分析了引起時(shí)域積分方程(tdie)時(shí)間步進(jìn)算法求解的后時(shí)不穩(wěn)定性問題的幾個(gè)原因后,指出引起時(shí)域積分方程時(shí)間步進(jìn)算法的后時(shí)不穩(wěn)定性的主要原因是離散tdie時(shí)采用了不精確的數(shù)值計(jì)算方法和不恰當(dāng)?shù)慕啤?i class="labawb" onClick="playMp3('sound_c_9')">
In order to improve the transmission efficiency of the signal and decrease the load of signal acquisition, this thesis reconfigures signals using the computer technology and numerical algorithm, supplies the standard to estimate whether the reconfiguration signals are fuzzy, and confirms better sample frequency . in order to store the feature information and the standard data, this thesis designs a suite of rules to establish the reusable and extensible standard database based on the types of loaders . at last, based on the work above, the system of processing standard information has been developed to analyze and process the signal data and manage the standard database
本文以廣西柳工zl50g型裝載機(jī)為對象,在大量分析和實(shí)驗(yàn)的基礎(chǔ)上,選取了故障診斷的敏感信號變量,設(shè)計(jì)了基于各變量特性的特征值提取算法,提取了信號的時(shí)頻特征信息;為了提高信息的傳輸效率和降低信號采集負(fù)載,利用計(jì)算機(jī)技術(shù)并結(jié)合數(shù)值算法對信號進(jìn)行重構(gòu),并給出重構(gòu)信號是否失真的判定方法,確定了適用于本課題的較優(yōu)采樣頻率;為存儲裝載機(jī)的標(biāo)準(zhǔn)數(shù)據(jù)和特征信息,制定了一套規(guī)則,建立基于機(jī)型的可復(fù)用、可擴(kuò)展的標(biāo)準(zhǔn)數(shù)據(jù)庫;最后圍繞以上對數(shù)據(jù)的分析、處理以及對標(biāo)準(zhǔn)數(shù)據(jù)庫的管理,開發(fā)了裝載機(jī)標(biāo)準(zhǔn)信息處理系統(tǒng)。

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其他語種釋義

numerical algorithmとは意味：數(shù)値｛すうち｝アルゴリズム

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