computational problem 中文意思是什麼

computational problem 解釋
計算問題
  • computational : adj. 計算的。
  • problem : n. 1. 問題,課題;疑難問題;令人困惑的情況。2. 【數、物】習題;作圖題。3. (象棋的)布局問題。adj. 1. 成問題的;難處理的。2. 關于社會問題的。
  1. The computational result suggests this system can solve practical engineering problem rightly and efficiently and owns the biggish applied value

    計算結果表明,本系統能正確有效地解決實際的工程問題,具有較大的實用價值。
  2. This is a crude way to describe what is actually a somewhat more delicate computational problem.

    對于本來是更為細致的計算問題,這是一個粗略的描述方法。
  3. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算,多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序,驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較,可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率,縮短了計算時間,因此為后續計算打下了良好的基礎
  4. Abstract : the mechanical analysis for arch bridge with flat hinge joints is a mechanical problem with non - linear boundary. mechanical analysis of methods at present is not clear, which can not calculate the arch bridge with changeable section and section with complicate shape. in this paper, the new method used to get the section resistance coefficient k is presented, the iterative procedure is established to calculate the internal forces of arch bridge with flat hinge joints, and the computational example is given. the method can apply to the arch bridge with any numbers of flat hinge joints and any shape section

    文摘:平鉸拱橋結構的受力分析屬于邊界非線性力學問題,目前的一些方法受力分析不太明確,對變截面、復雜形狀截面等平鉸拱橋無法進行計算.針對這種情況,提出了確定平鉸截面抗力系數k的新方法,建立了計算平鉸拱橋內力的迭代演算法,並進行了實例計算,研究結果表明,這一方法對具有任意個平鉸、任意形狀截面的拱橋結構是適用的
  5. Besides, of the several algorithms those have been proposed in the literature for solving the transportation problem, previous computational results indicated that the primal algorithm ( modi method ) is more efficient, so we have compared the amedv versus the modi method. because very little experimentation was carried out on algorithmic techniques used in the codes of amedv, we have also performed a number of runs that test the overall solution time as the number of significant digits in each of the parameters is varied

    因為元素判別值分配法是運輸問題引發出的求解新方法,並且階石法是目前解運輸問題的較快速解法,所以特別針對運輸問題通過若干組有代表性的檢驗數據進行數值測試,在實際問題中對比元素判別值分配法與階石法的演算法執行時間,研究兩對演算法執行效率上的差別,並分析差別產生的原因。
  6. Bill and value added tax, the relation of income tax : you are make out an invoice square, press those who go out not to contain taxes specified number of course, computational value added tax ( if be average taxpayer, still involve those who get bill of replenish onr ' s stock to touch discount a problem ) if be to receive a bill square, bill closes much, mix more with respect to existence charge cost is big, profit decreases relatively

    發票和增值稅,所得稅的關系:你是開票方,當然就按開出的不含稅金額,計算增值稅(假如是一般納稅人,還涉及收到進貨發票的抵扣問題)假如是收票方,發票收多了,就存在費用多和成本大,利潤就相對減少。
  7. However, in existing global newton ' s methods a linearized variational inequality subproblem has to be solved at each iteration, whose computational cost is equivalent with a qp problem, and the local fast convergence is usually established theoretically incompletely

    通過應用fiseher一burmeister非線性互補問題函數, h . qi和l . qi在17 ]中對以前的qp一free演算法做了有效的改進,使得迭代矩陣的一致非奇異性得到保證。
  8. It is showed that numerical calculation could give the same position of separation line with the cold gas simulation. however, numerical simulation result is of a little deferent from cold gas simulation in some details, such as recirculation velocity and turbulent intensity. the main problem of numerical simulation is that the turbulent model is not perfect, and the computational grid is not precise enough

    利用實驗結果對數值模擬的準確性作了檢驗和評價,結果表明數值模擬能給出與實驗結果一致的分離線位置,但在某些流動細節上還有差別,如迴流速度大小和湍流度等,數值模擬中存在的主要問題是湍流模型不夠完善和網格生成不夠精細。
  9. Structural matching is a main approach for on - line chinese character recognition. in order to reduce its great computational comple xity and improve its performance, people have been seeking for a way to guide the whole matching by the result of partial matching. in this paper, the authors prop osed 45 basic components from 3, 755 categories of the daily - used chinese charac ters to guide the stroke segment matching. because they always locate at either the beginning or the end of the stroke segment string, these components are easy to extract and separate from other parts of the character. besides, the reference templates of these components are dynamically extracted from the reference segmen tstring and dependent on the current matched character so that a more accurate matching is carried out. experiments show that the segment matching computation h as reduced almost 50 %. the approach is also enlightening for other similar object matching problem

    結構匹配是一種有效的聯機手寫漢寫識別方法,為了減少匹配運算,人們一直在尋求利用部分匹配的結果來引導整體匹配的方法.在特徵匹配與結構匹配綜合的基礎上,從3 . 755個一級國標漢字中提取出45個子結構,利用它們來引導結構匹配.由於這些子結構總出現在字首或字尾,因而對它們的檢測比較容易.同時,通過建立子結構活動模板及設計子結構動態抽取演算法,使得子結構匹配的準確度得到很大提高.實驗結構表明,該方法使結構匹配的運算量減少約50 % ,並對類似的物體識別問題有一定的啟發意義
  10. Stress and deformation of computational analysis is usually not in conformity with actually observed data due to this reason in fem analysis of earth dam and crfd such as the extensively applied duncan - chang hyperbolic model, and many other models also equally have similar problem

    如應用廣泛的duncan ?張模型在土壩、面板壩有限元應力變形計算分析中就存在與實際觀測值不一致、不合理的結果,許多模型也同樣存在類似的問題。
  11. Fourthly, a fast back projection ( fbp ) algorithm is presented. it sloves the problem of large computational load of bp algorithm and the condition of dividing the subapterture is presented

    接著提出了一種快速後向投影演算法( fbp ) ,解決了bp演算法計算量大的問題,給出了子孔徑劃分的條件。
  12. Then, the problem of landing time decision for each plane was solved by disparting and uniting the " compact flights sequence ", and computational results were presented for simulated scenarios

    之後,通過「緊密飛機隊列」分合的方法求解降落時間,同時對提出的演算法進行了計算驗證。
  13. In this framework, an approach is proposed to transform each of the original 3d geometrical planes of the surface into its canonical reference plane structure. this structure helps to simplify a 3d computational problem into a more manageable 2d problem

    為此,本文的系統提出一種加速方法,將模型表面上各種3d幾何平面轉化到「規范化參考平面」 canonical reference plane structure , cprs上,從而將三維計算問題轉化為易於處理的二維問題,以加快計算速度。
  14. A problem on the computational complexity of graph partitions

    關于圖劃分中的一個計算復雜性問題
  15. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    ( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。
  16. Now the two issues we are confronted with are : first, a reasonable regularization technique is required to overcome the ill - posedness of the problem ; second, we are required to develop a computational efficient technique to reduce the complexity of the solving, which in turn promotes the implementation of the solving algorithm

    目前,逆問題研究中需要解決的關鍵問題是: 1對逆問題中的病態現象,給出一種合理的正則化方法; 2減少逆問題求解所需的計算量,增強求解演算法的可實施性。
  17. The other classfies the calculation of mbps into the solution of inequation based on heuristic knowledge of mbps of optimal directional coordination setting in complex multiloop network and comes into equivalence of 0 - 1 integral second layout problem. on the basis of the principle of gene optimal evolution, a new approach to determine mbps is first presented and decreases the computational complexity of mbps problem

    其二,利用復雜環網方向保護最優整定配合中最小斷點集( mbps )的啟發知識,將mbps的計算歸結為解不等式,進而等價為0 ? 1整數二次規劃問題,基於基因遺傳優化計算原理,首次提出了mbps問題的基因遺傳演算法,降低了問題的計算復雜性。
  18. Specific measure is social insurance device unite to enterprise and worker according to fixed computational cardinal number and extraction scale collect emeritus fee, form the emeritus fund that consolidates management by social insurance device, extend according to the real need of emeritus charge again retired worker, in order to change emeritus charge complete by the practice of this company load, solve company load thereby the problem of emeritus charge attach too much weight to this and too little weight to that, the equal competition that is an enterprise creates a condition

    具體辦法是社會保險機構按照一定的計算基數與提取比例向企業和職工統一徵收退休費用,形成由社會保險機構統一治理的退休基金,再按照退休費用的實際需要發放給退休職工,以改變退休費用完全由本企業負擔的做法,從而解決企業負擔退休費用畸輕畸重的問題,為企業的平等競爭創造條件。
  19. Finally, two upswing algorithms are given, one reduces the computational complexity and improves the resistance capability to the near - far problem, and the other is an adaptive blind mud algorithm with a simple structure

    最後,給出了兩種改進的多用戶檢測演算法,一種降低了運算量,提高了系統抗遠近效應能力;另一種方法是一種簡單結構的自適應盲多用戶檢測演算法。
  20. The computational problem that for instance you mention, the calculation in biology is actually simpler, should do right, the key depends on clearing up a principle, and these principles often are a few main demands on the book master

    比如你提到的計算問題,其實生物里的計算都比較簡單,要做對,要害在於弄清楚原理,而這些原理又往往是書上的一些基本的要求把握的。
分享友人