approximation value 中文意思是什麼

approximation value 解釋
近似值
  • approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  1. By the polygonal approximation method, a global approximation solution is constructed for the initial - boundary value problem of nonconvex scalar conservation laws with two - side boundary effect, and its convergence to the global weak entropy solution of the corresponding problem is proved

    摘要使用折線逼近法，對具有兩條邊界影響的非凸單個守恆律初邊值問題構造了整體近似解，並證明其收斂到初邊值問題的整體弱熵解。
  2. The first approximation would make everything depend on the capitalized money value of the individual's prospective receipts.

    第一種近似意義是以個人預期進款的資本化的貨幣價值為其中心。
  3. In addition, it had founded the database and universal post processing in the software for facilitating user to operate. the cam - designed cad / cam system software can design conventional types of cam, own the advanced curves approximation and complete function, so it should has great practical and theoretical value

    本篇論文從設計的原理、設計的方法和設計的步驟等方面詳細闡述了對各類凸輪的設計過程，並從軟體的整體設計和各組成模塊設計等方面說明了軟體的實現方法，同時通過軟體的使用和操作一章來讓用戶對軟體的操作更加明確。
  4. It is well known that the wavelet liner approximation ( i. e, truncating the high frequencies ) can be approximate smooth singals very efficiently. however, for example, piecewise continous signals with large jump in signal value or in its derivatives, standard wavelet linear approximation techniques cannot achieve similar results for signals which are not smooth. to overcome these problems within the standard wavelet transform framework, the paper proposed the double adaptive wavelet transforms

    眾所周知，小波的線性近似（只用低頻系數而不採用高頻系數進行重構的方法稱為線性近似）能非常有效的近似初始的光滑信號。然而對于非光滑信號，例如具有跳變點的分段連續信號，標準小波的線性近似就不能獲得如光滑函數那樣好的結果。
  5. For the nonlinear two - point boundary value problem with both time - delay terms and time - advanced terms driven by the optimal control theory, we build a sequence of nonhomogeneous linear two - point boundary value problems according to the successive approximation approach of constant differential equation

    再利用常微分方程的逐次逼近法，將由系統的最優控制問題得到的即含有時滯項又含有超前項的非線性兩點邊值問題化為非齊次線性兩點邊值問題族。
  6. Analysis of the eigenstate value approximation on multi - quantized trough surface

    多重量子阱表面本徵態數值逼進分析
  7. In this paper, we use the coupled fixed point theorem for mixed monotone condensing operators to obtain an existence, uniqueness and iterative approximation theorem of solutions of initial value problems for second order mixed monotone type of impulsive differential equations

    利用混合單調凝聚運算元的耦合不動點定理，給出了二階混合單調型脈沖微分方程的初值問題的解的存在唯一性及迭代逼近定理
  8. Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm

    本文的工作就是基於局部二次逼近原理，首先通過構造新的共線調比因子，得到了一類新的更簡潔，數值穩定性更好的共線調比演算法，進而我們給出了本共線調比演算法的局部收斂性，全局收斂性以及演算法q -超線性速度的理論證明；其次，用經典的無約束優化五大考核函數就本共線調比演算法進行了數值試驗和數值分析；最後，就局部二次逼近思想，進行共線調比演算法思想進行更廣泛的討論，給出了幾個新共線調比演算法。
  9. 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。
  10. Lastly, aiming at the poor results which all current algorithms do for directional textures, and cannot synthesis texture directly, aiming at the particularity of this kind of textures, we bring forward the conceptions of non frontal parallel textures and frontal parallel textures. by analyzing texture ' s direction through fourier spectrum, we introduce the conception of main direction, and solve the approximation value of texture ' s main direction by discrete approximated approach. by this way, we can synthesis indirectly simple structural non frontal parallel textures

    最後針對現有演算法對帶有方向的紋理合成效果差，無法直接合成紋理圖像的難點，本論文首先提出了非正平行紋理與正平行紋理的概念，分析了它們之間的內在聯系，引入了兩個角度參數來描述紋理的朝向，採用傅立葉頻譜法分析紋理的方向特性，並提出了紋理主方向的概念，本論文引入離散逼近的方法來求解出紋理主方向的近似值，這樣我們就能用一種間接的方法合成簡單的結構性非正平行紋理。
  11. This method takes advantage of the lower approximation in rough sets to do the first data packing, and then, according to the value - taking probability of the attribute value, finds the result to do the second packing, thus accomplishes the completion of incomplete information system

    該方法利用粗糙集中下近似集的性質進行初次數據填補，然後根據屬性數據的取值概率函數求出的結果進行二次填補，從而完成對不完備信息系統的完備化處理。
  12. In this thesis, we study ultraconvergence of finite element approximation in one dimensional case ( include two - point boundary value problem, one dimensional parabolic equation and parabolic type integro - differential equation )

    本文研究一維問題（包括兩點邊值問題，一維拋物問題及拋物型積分-微分方程）有限元逼近的強超收斂性。
  13. Application of approximation value to revise diagnosis matrix in fuzzy diagnosis process

    貼近度對模糊診斷矩陣的實時修正應用研究
  14. This subject has certain value to understand the development history of bernstein approximation and probe into its extensive properties and application

    本課題對于了解bernstein逼近的發展歷史和探討其更廣泛的性質與應用都有一定的價值。
  15. The algorithm is realized through the programming. the enumrical value has a good approximation comparing with the true value

    經過編程實現演算法，計算所獲數據，與實測值已非常接近。
  16. The definition of multi - valued information system is extended and the spatial structure of rough relational database model is analyzed in this paper. the measurement of uncertainty in rough database is provided. by analysis of the spatial structure of rrdb, the upper approximation, the lower approximation and value - reduced is educed. it provides the foundation for more studies in rough relational database model

    本文分析了粗糙關系數據庫模型的空間結構，為粗糙數據庫的不確定性進行度量提供一個依據，同時通過對粗糙關系數據庫空間結構的分析，導出了基於粗糙關系數據庫的上、下近似以及值約簡，為粗糙關系數據庫模型的進一步研究提供了理論基礎。
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