數值代數 的英文怎麼說
中文拼音 [shǔzhídàishǔ]
數值代數
英文
numerical algebra-
Structure of admissible lattice and stabilizer of module of affine lie algebra
帶三角分解李代數的賦值模On the penultimate blank page of a book of inferior literary style, entitled sweets of sin produced by bloom and so manipulated that its front cover came in contact with the surface of the table with a pencil supplied by stephen stephen wrote the irish characters for gee, eh, dee, em, simple and modified, and bloom in turn wrote the hebrew characters ghimel, aleph, daleth and in the absence of mem a substituted goph, explaining their arithmetical values as ordinal and cardinal numbers, videlicet 3, 1, 4 and 100
在用低俗文學體裁寫的一本題名偷情的快樂的書是布盧姆掏出來的，他擺得很巧妙，使封面和桌面接觸那底封前倒數第二張空白襯頁上，斯蒂芬用一管鉛筆斯蒂芬提供的以簡略體與裝飾體寫下相當于g a d m的愛爾蘭語字母117 。布盧姆則寫下希伯來字母ghimel aleph daleth和qoph這是用來代替所缺的mem的。他還說明，這些字母作為序數及基數的算數值，各自代表三一四及一百118 。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。3. developed simply and practical fluid network algorithm for large - scale of pipe networks, such as air - gas system and powder manufacture system. iterative computation used in this algorithm is not only astringing quickly and numerical calculating steadily but also cater the required ratio of precision and guarantee the real - time and any performance simulation of fluid network
3 、本文對風煙系統和制粉系統等大型管網，建立了簡單實用的流體網路模型演算法，此法在迭代計算中，不僅可以快速收斂和數值計算穩定，而且滿足一定的模擬精度，較好的保證了流體網路的全工況實時模擬。This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software
本文結合我公司鳥撞實驗體系技術改造項目，應用有限元數值計算模擬技術及現代大型科學計算工具，對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討，初步掌握了科學計算方法，獲得了計算模擬的實踐經驗，為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。The new algorithm bases on bisection and secant iteration, which is different cuppen ' s method and newton iteration. the results of theoretical analysis and numerical testing show that convergent rant of our algorithm is obviously faster that of the classical algorithm
該演算法以割線法迭代為基礎，明顯不同與傳統的newton迭代法，理論和數值實驗表明改進的演算法的收斂性比經典演算法好In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable
為了研究運木船舶在破艙狀態下的浮性、穩性和強度，本文在抗沉性理論的基礎上，運用船舶基本原理，採用了迭代和累計的思想，將船舶的進水過程劃分為很多次進水的積累，詳細計算了運木船在破艙進水的過程中，考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響，以及艙室內的進水量和木材對破口處進水速度的影響，船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度，給出了計算實例，並進行了在採取用泵抽水前後浮態參數的對比，得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒，或者在當開口小於某數值時，採取適當的措施后，可以使船舶避免沉沒。Based on the above, a surrogate models are built for thermal conductibility performance of sandwich panel with " v - type " folded core in this paper, and they can be optimized by multi - subject. the numerical simulation function and optimization design method in condition of lightest weight are shown in this paper
其次，用isight軟體重新設計了40組不同構型的試驗設計點，並以此為基礎對v型褶皺芯材夾層板的熱傳導性能構建了可用的代理模型，給出了數值模擬函數和最輕重量條件下的優化設計方法。In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method
在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed
用一種簡單的方法可以求得降階雅可比矩陣，由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數，如有效短路比、功率基準比、連接阻抗和系統潮流等，因此，矩陣的特徵值也與這些參數相關。In this paper, two novel algorithms of reconstructing high resolution images from both overlapped parallel projection data and overlapped fan beam projection data with low resolution are presented. one is called virtual detector algorithm, and the other is direct reconstruction algorithm. both of the algorithms with two forms for the parallel data and fan beam data respectively are developed based on the interpolative algebraic reconstruction techniques ( iart )
本文在研究插值代數重建法（ iart ）的基礎上，根據特別設計的數據採集模式（平行相疊采樣和扇形相疊采樣） ，提出了由相疊低分辨數據重建高分辨圖像的兩個新演算法，即虛擬探測器法和直接重建法。Technique of parallel computing and calculation of numerical algebra
并行計算技術與數值代數計算M - matrices are an important matrix species of the research for numeric algebra - an important branch of computation mathematics
M -矩陣是計算數學的重要分支?數值代數研究的重要矩陣類。Furthermore, we show when a matrix is column - divided and how to divide a matrix which is column - divided based on the classic qr factorization. numerical examples are also given to show that the divide - and - conquer method is efficient
在此基礎上，我們進一步給出了判斷一個矩陣是列可分的可分準則，此可分準則利用數值代數中常用的qr分解得到。Continuing the above example, the galaxy is moving at a speed of about 9000km s away from us, given the speed of light is 3x10
把數值代入，便可以得出以上例子的星系退行速度為每秒九千公里。Algebraic structure analyses of balanced correlation - immune m - valued logical functions over ring zpr
上平衡相關免疫多值邏輯函數的代數結構分析Contain only numeric codes that represent an error number, and the id of the column in which the error occurred
）只包含表示錯誤號的數值代碼以及出現錯誤的列的id 。Messages of this type are xml documents that contain a numeric code for the error and a description of the error
類型的消息為service broker錯誤消息。此類型的消息為包含代表錯誤的數值代碼及錯誤說明的xml文檔。At the same time adopting the single factor analytic approach, changing the rigidity and damping of fore - suspension and rear - suspension separately, using the simulation calculation procedures that are designed to carry on operational analysis, the optimization values of fore - suspension and rear - suspension parameters are gotten. compared the results that the simulation calculation procedures operated the optimization values with the simulation result before optimization, the effect is relatively good
同時採用單因素分析法，分別改變前、后懸架的剛度和阻尼，利用所設計的程序進行運算分析，得到前、后懸架參數的優化值，並將所有優化后的參數值代入計算程序運算后得出的結果與優化前的模擬計算結果比較，發現優化後效果較好。Generalized eigenvalue problem of matrix pair is an active research task
矩陣廣義特徵值問題是當前迅速發展的計算機科學和數值代數中的一個非常活躍的研究課題。分享友人