函項演算 的英文怎麼說

中文拼音 [hánxiàngyǎnsuàn]
函項演算 英文
functional calculus
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 項 : Ⅰ名詞1 （頸的後部） nape （of the neck） 2 （款項） sum （of money） 3 [數學] （不用加、減號連接...
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 演算 : perform mathematical calculations; calculation; calculus演算器 exerciser
  1. On algorithm to a series of meromorphic functions by residue

    一類亞純函數項級數的留數演算法
  2. For supporting multilevel embedding domains, linear table instead of multilevel table is used to make the implementing of information tables management ( such as symbol table and constant table management ) simple and effective. to fulfill the searching algorithm of symbol table and constant table, an assistant table is introduced to solve the problem caused by the use of hash algorithm

    在信息表管理方面，沒有採用多級的表組織方式，而採用了線性的表組織方式，簡單高效地實現了對作用域多層嵌套的支持；在表的查找演算法的實現中，通過輔助表的引入，解決了符號表和常量表的順序填寫法與hash演算法中表項記錄的hash函數定位法之間的矛盾這一難點。
  3. Based on the fact of generating the synthetic data using poisson distribution function and exponential distribution function, the performance of hy algorithm and the comparison among hy algorithm, apriori algorithm and dhp algorithm is experimented. these experiments include the one that compares the execution time using variant synthetic data and variant minimum supports, and the scale - up one that compares the execution time using variant transaction number and variant item number in synthetic data. finally the results of the experiments are analysed

    在構造基於泊松分佈函數和指數分佈函數的合西南交通大學碩士研究生學位論文第iii頁成數據的基礎上，對hy演算法的性能及其與apriori演算法和dhp演算法的比較進行了實驗，這些實驗包括針對不同的合成數據和不同的最小支持度，對各演算法的執行時間進行比較的實驗以及針對合成數據的不同的事務數和不同的項數對各演算法的執行時間進行比較的規模實驗，並對實驗結果進行了分析，反映出hy演算法具有良好的性能。
  4. 2. nonlinear source term identification problem about a quasilinear parabolic heat equation is investigated. for the given function determined, the existence and the uniqueness of the solution of the state equation are proved and the dependence of the solution of the state equation on the identification parameter is discussed ; then the identifiability is verified ; through choosing suitable basic functions, the above identification problem can be transformed into a constant coefficients identification problem ; and an practical iterative algorithm for solving the identification problem is presented, the feasibility and validity of the algorithm is verified by the numerical experiments

    2 、研究一擬線性拋物型熱傳導方程非線性未知源項的識別問題；對于給定識別函數，論證了狀態方程解的存在惟一性、方程解與識別函數的依賴關系和可識別性；通過選取適當的基函數，把對非線性源項的識別轉化成常系數識別問題；給出了實現非線性源項識別的迭代演算法，通過數值實驗證明了演算法的有效性。
  5. Then, a new regularized conjugate - gradient reconstruction algorithm was proposed for optical tomograpy, in which the ill - posedness of the reconstruction problem and as a result the quality of the reconstructed image are improved by introducing two regularization terms of image entropy and the local smoothing function

    其次，提出了一種正則化共軛梯度ot圖像重建演算法，通過引入圖像熵和局部平滑函數作為正則化項有效改善了重建問題中的病態特性，提高重建圖像的質量。最後，提出一種多解析度的ot圖像重建演算法。
  6. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法，壁面邊界條件採用標準壁面函數，風口邊界條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約，因此選擇合理描述入流邊界條件的風口模型對數值模擬至關重要。
  7. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法，應用壁面函數法處理邊界條件，對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  8. Another algorithm is based on pixels : sample many points along the curve, round them to the nearest integer and set each pixel the computed point falls in. although this algorithm uses integer arithmetic, it provides the smooth curve possible at the expense of computation time as many points have to be computed to ensure that no gaps are created along the curve. furthermore these two algorithms we mentioned above is appropriate for low degree parametric curves, for high degree parametric curves, we usually approach them by using low degree rational parametric curves, the generating curve ' s fairness property is not very good

    我們知道當節點矢量的兩端節點均為k重節點且無內節點時， b樣條基函數退化為bemstein多項式，因此該生成演算法還可推廣到b能ier曲線中，具有廣泛的應用價值、同樣地，在cad和cagd中，有理b樣條曲線，特別是非均勻有理b樣條曲線（ nurbs ）已經成為曲線曲面設計中最廣為流行的技術，然而對這些曲線目前也尚無很好的曲線生成演算法，因此有理b樣條曲線的生成演算法無疑有著更重要的意義
  9. Under the assumptions that media are piece wise, and that the permittivity of each piece can be expressed as a polynomial with limited terms, all oefficients of permittivity function of each piece, which maximize the objective function, are determined by genetic algorithm piece by piece

    在假設地下介質是分塊的，且每塊介質的介電常數可以用有限項的與空間坐標有關的多項式函數來表示的前提下，用遺傳演算法由淺至深逐塊確定使目標函數達到最大的多項式函數的各項系數從而確定介電常數。
  10. In multi - pose face recognition based on a single view : ( 1 ) the technology approaches of multi - pose face recognition are firstly studies based on single view or small samples in details. ( 2 ) a new multi - pose face recognition algorithm is developed based on single view. it first generates the multi - pose face images based on a fit method with a high order polynomial function. then, it does face recognition based on the single view and the generated multi - pose images

    在研究基於單視圖的多姿態人臉識別方面，一、詳細研究了基於單視圖或小樣本的多姿態人臉識別的可能技術途徑；二、提出了一種新的基於單視圖的多姿態人臉識別技術，它先基於高次多項式函數擬合方法由單視圖通過變形生成多姿態人臉圖像，后基於該單視圖和生成的多姿態圖像進行多姿態人臉識別，實驗結果表明該演算法識別正確率大大高於經典演算法；三、詳細研究了幾種基於單視圖或小樣本的多姿態人臉圖像生成技術，它們是基於單視圖或小樣本的多姿態人臉識別的關鍵技術。
  11. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先，根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後，計算傳遞矩陣的頻率響應;最後，採用頻域回歸方法求出模型傳遞函數各次項的系數，進而通過一定的優化演算法確定模型的各個熱阻、熱容參數，使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。
  12. Polynomial - time approximation schemes ( ptas ) : a ptas is a family of algorithm { a | > 0 } such that for any fixed > 0, a runs in time polynomial in the length of the input and gets a solution with an objective value which is at most 1 + e times of the optimum

    若每次修正後，實例的目標函數值不超過原來的1 + o （ ）倍，我們稱修正費用不超過1 + o （ ） 。 ptas演算法：若演算法列{ a _ }對于問題的任一個例子都是1 +近似演算法，計算次數是問題大小的多項式（將視為常數） ，稱它為ptas演算法。
  13. As the dispersive influence can be easily described by a frequency transfer function, the feasibility of measuring the function with the g - s algorithm is researched numerically in the next part. from the results of simulation with fibers with different length and pulses with different width, it ’ s known that the convergence of the algorithm is related to the difference between the input and output pulse. then, the influence of attenuation and self phase modulation of fiber is discussed, and the influence of the delay phenomenon and fitted polynomial is also analyzed

    通過對不同光纖長度和不同輸入脈沖脈寬的計算，得到了g - s演算法的收斂性與輸入波形和輸出波形之間的關系;在此基礎上，通過對光纖損耗、自相位調制的模擬，分析了損耗和自相位調制對光纖傳遞函數測量的影響;本文還分析了波形測量中的拖尾現象和多項式擬合對測量的影響，進而，對利用g - s演算法進行單模光纖傳遞函數測量的可行性進行了闡述。
  14. In this paper, first, i present a new model of vrp and a heuristic algorithm of it. then, i have proofed that on the distance constrained vrp, any polynomial time heuristic h for mv, we have kh / kv > 2 ; and i give a dynamic programming recursion heuristic of md. furthermore, i study some stochastic vehicle routing problem also

    並證明了在距離約束的vrp情形下對于目標函數mv （車輛數最小） ，其任一有多項式時間的啟發式演算法h得到的車輛數目k ~ h和最優車輛數目k ~ v滿足關系k ~ h k ~ v 2 ，我們還給出了md （總距離最小）的一個動態規劃演算法。
  15. In this paper, the author chooses many box girder modules with different dimension justified and analysis the modules with fem ( finite element method ). the result of fem is fitted with ga, coefficient of fitted functions can be got

    本文通過合理選擇箱梁計算模型，得出幾種模型的有限元結果，將數據整理歸類，採用遺傳演算法進行擬合參數選擇，以擬合多項式來調整剪力滯位移函數。
  16. The constructed surface is c2 continuous on the whole domain, and is a piecewise cubic parametric polynomial on every subdomains. the interpolating surface can preserve the convexity, concavity, inflection property and monotonicity of the data set. in the end, each algorithm brought forward in the paper is exemplified, at the same time, error is discussed

    3針對保形曲面插值問題，提出了一種插值于給定數據點集的參數型保形曲面插值演算法，所構造的曲面在整個區域上是c ~ 2連續的，在每個子區域上是分片三次參數多項式，並且保持被插函數集的所有子區域的邊界及其內部的軸向單調性、凸凹性以及拐點性質。
  17. By comparing the result, modeling and algorithms of the linear mathematical model with the pure form method applied to the study of the optimum combination of the benefits in the first exploration of damu reclamation works, the simple genetic algorithms is very easy to be applied to the complicated linear target function

    通過對大目塗圍海工程規劃中線性的第一期開發各項效益的最優組合的數學模型的計算並且與單純形法在計算結果、建模、演算法上論證，從而得出基本遺傳演算法用於求解復雜線性的目標函數也較簡單、並且易於實現、可操作性強。
  18. The basic principle of our algorithm is based on such observation that a majority of meaningful solitary wave solutions can be expressed as the polynomial forms in terms of " bell - shaped " function sech and " kink - shaped " function tanh which possessing localized property

    演算法的基本原理是基於這樣一種觀察，即非線性波方程絕大部分有物理意義的孤立波解都可以表示成具有局部性特徵的「鐘狀函數」 - sech和「扭狀函數」 - tanh的多項式。
  19. Abstract : in this paper, we discussed a new kind of single machine scheduling problems with controllable processing times. the objective function being considered was the sum of weighted completion times of all jobs plus the maximum dissatisfaction of all jobs ' processing times that deviated from their specified ones. we presented a polynomial algorithm to solve the problem

    文摘:本文討論了一類新的加工時間可控的單機排序問題.我們所考慮的目標函數由所有工件的加權完工時間之和與對所有工件的實際加工時間偏離額定加工時間的最大不滿意程度這兩部分組成.對此問題，我們提出了一個多項式演算法
  20. This platform utilizes several techniques, including cryptographic algorithms, one - way hash function, digital certification, secure protocol, watermarkng and etc. based on this platform, a new authentication and key exchange protocol is presented and has been well applied to this transmission platform

    該傳輸平臺使用了多項技術，包括密鑰演算法、單項散列函數、數字證書、安全協議和數字水印等技術。針對該傳輸平臺，提出了一個新的認證和密鑰交換協議，並在傳輸平臺得到了很好的應用。
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