discretize 中文意思是什麼

discretize 解釋
離散化
  1. In this work, we detailedly introduced the whole ideas of rkdg finite element method and the theory of constructing gas - kinetic schemes based on boltzmann equation. and then presented a kind of new computational method for solving id and 2d compressible euler equations, i. e. firstly, we discretize euler equations in the space with discontinuous galerkin finite element method ; secondly, we discretize temporal variable t with runge - kutta formula ; thirdly, for numerical fluxes constructing, we give two kinds of different numerical fluxes - kfvs and bgk numerical fluxes by using gas - kinetic schemes

    本文分別對rkdg有限元方法的整個思想和基於boltzmann方程的分子動力學格式的構造思想給予了詳細的介紹,並分別結合rkdg有限元方法與kfvs數值通量和bgk數值通量的構造方法,給出了一種求解一維、二維可壓縮流體力學方程組新的計算方法,即,我們先用間斷有限元方法進行空間離散,然後再對所得到的半離散格式使用runge - kuttatvd方法進行時間離散,得到全離散格式。
  2. The fourth - order compact difference schemes with high resolution are applied to discretize the space derivatives, and a low - storage fourth - order explicit runge - kutta scheme is used in time marching

    文中採用具有高解析度的4階精度的緊致差分格式離散空間導數,同時,時間步進採用低存儲量要求的4階顯式runge - kutta格式。
  3. A new step - by - step integral procedure of dynamics equations is presented. the general expression of the solution of dynamics equations is obtained on the basis of the homogenous analytical solutions of dynamics equations and duhamel integration. the explicit analytical integration algorithm, which is characterized by fourth - order accuracy, self - starting and self - correcting, is employed to discretize the equivalent load terms

    另外提出了求解動力學方程的一個新型的逐步積分法,基於線性動力學方程的解析齊次解及duhamel積分,構造出適用於非線性動力學方程解的一般積分表達式,對包含非線性項的非齊次項採用插值近似的方法,得到一個單步顯式、自起步、預測校正具有四階精度的解析逐步積分演算法。
  4. Moreover, a strategy for imputation of null values based on changed precision model is put forward to improve anti - disturbing ability of model secondly, several primary algorithms are indrouced and discussed, the direction and target of discretization is analysised, to gain logical cuts, a method to discretize continuous attributes based on rough entropy is brought forward at last, the potential client datamining system in electronic commerce is put forward, all given algorithms is applied to the system, and compared by test results, and the new idea of this paper is simply described and some problems in this paper that need to improved on are proposed

    然後,對目前流行的離散化演算法進行了詳細的分析和評價,指出了離散化的方向和目標,並提出了基於粗糙信息熵的離散化演算法,以便在保證劃分后決策表相容性的前提下,獲得比較合理的劃分點。最後,提出了電子商務的潛在客戶挖掘系統,並將前面提出的基於粗集的演算法理論應用到該系統中,同時和其他幾種現有的數據補齊和離散化演算法進行了實驗比較和結果分析。並指出本文創新之處以及存在的問題和努力的方向。
  5. You can discretize both numeric and string columns

    數值列和字元串列都可以進行離散化。
  6. There are several methods that you can use to discretize data

    離散化數據時,可以使用多種方法。
  7. Method to discretize strings

    方法來離散化字元串。
  8. Methods use a random sample of 1000 records to discretize data. use the

    方法使用1000個隨機記錄樣本來離散化數據。
  9. Then, fvm is adopted to discretize the differential equations

    在此基礎上,採用有限體積法實現對微分方程的離散。
  10. The udm lets you discretize attributes into such ranges by using various criteria

    Udm允許使用各種條件將屬性離散到上述范圍中。
  11. This model used x2 statistic values to discretize condition attributes. its core ide

    6 .將本文理論部分提出的數據挖掘核心模型應用到電信crm的客戶挖掘中。
  12. The following table describes the methods that you can use to discretize data in analysis services

    下表說明了可在analysis services中用於離散化數據的方法。
  13. In these cases, you can discretize the data in the columns so that you can use the algorithms to produce a mining model

    在此類情況下,可以將列中的數據離散化,以便可以使用演算法來生成挖掘模型。
  14. The approach to classification based on the equivalence classes of the main attribute is as follows : ( 1 ) discretize the continuous training data

    以某屬性的等價類(相近類)組成的子集作為svm的訓練集預分類的方法如下。 ( 1 )將連續性訓練數據離散化。
  15. Compactly supported function is used to construct the trial function, and weighted residual method with compactly supported function is employed to discretize the differential equation

    無網格法是以一系列節點離散求解域,使用緊支函數構造試函數,採用加權余量法導出微分方程等效形式。
  16. These equations were incorporated into a numerical procedure to discretize and solve the boundary value problem for hydraulic head and fluxes within fractured network

    編制了離散裂隙網路模型單相穩態滲流程序fracflow 。其次,發展了用離散網路方法確定裂隙巖體等效水力性質的方法。
  17. To the problems with changing boundaries, such as fire hazard, combustion in cylinder, the traditional methods must suffer from the drawbacks of tedious process in meshing and remeshing. meshless method is a new method, which uses a set of points to discretize the problem domain

    對於火災、活塞式發動機等燃燒過程,其求解域連續變化,使用傳統的方法求解這類問題將面臨復雜和繁瑣的網格初置與重構過程。
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