approximation problem 中文意思是什麼

approximation problem 解釋
逼近問題
  • approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
  • 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. 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 thermodynamic free energy on mixing and the spinodal equation in ternary homopolymer blends were obtained by making plausible approximation based on flory ' s equation of state theory. because of the non - linear behavior of the spinodal equation, a numerical solution approach was used and succeeded in solving the problem. spinodal of polystyrene ( ps ) / poly ( vinyl methyl ether ) ( pvme ) / poly ( 2, 6 - dimethyl - 1, 4 - phenylene oxide ) ( ppe ) were simulated over a wide temperature range and the calculated result was coincidence with that of the literature

    將上述方法用於已知狀態方程參數的二元均聚共混體系聚苯乙烯（ ps ） /聚甲基乙烯基醚（ pvme ） ，三元均聚共混體系聚苯乙烯（ ps ） /聚甲基乙烯基醚（ pvme ） /聚2 ， 6 -二甲基1 ， 4 -苯撐氧（ ppe ） ，得到一系列不同溫度下的spinodal相圖，預測結果與文獻報道吻合，在此基礎上進一步研究了聚合物的分子量對體系相行為的影響。
  3. Randomized approximation algorithm for weighted set cover problem

    帶權集合覆蓋問題的一種隨機近似演算法
  4. The complexity and approximation algorithm of three parallel machines scheduling problem with servers

    帶服務器的三臺平行機排序問題的復雜性和近似演算法
  5. The centrosymmetric solution of the inverse quadratic eigenvalue problem and its optimal approximation

    一類二次特徵值反問題的中心對稱解及其最佳逼近
  6. In addition, the problem of using anti - centrosymmetric matrices to construct the optimal approximation to a given matrix is discussed, the necessary and sufficient conditions about the problem are derived, and the expression of the solution is provided

    並討論了用反中心對稱矩陣構造給定矩陣的最佳逼近問題，給出了該問題有解的充要條件和解的表達式。
  7. ( 2 ) offset approximation for bezier curves the problem of parametric speed approximation of a curve is raised. the author points out that the crux of offset curve approximation lies in the approximation of parametric speed

    （ 2 ）等距曲線逼近（ offset ）提出了曲線參數速度逼近問題，指出等距曲線逼近問題的關鍵在於參數速度的逼近
  8. The dissertation proposes originally the idea of decomposing the time - variant load to solve this problem. first, the time - variant load is decomposed into the time - variant load characteristic and the time - variant load model due to the modeling method. second, the multi - curve approximation method is proposed to identify the load parameters, which to a great extent, reduces the effects on the time - variation of the load model from modeling method

    針對負荷的時變性，論文首次提出了將負荷時變性分解的思想，首先將負荷的時變性分解為負荷特性的時變性和由建模方法引起的負荷模型的時變性，然後提出了多曲線擬合參數辨識方法，很大程度上消除了建模方法引起的負荷模型的時變性。
  9. Based on the properties of bisymmetric matrices, a class of constrained inverse eigenproblem and associated approximation problem for bisymmetric matrices were essentially decomposed into the same kind of subproblems for real symmetric matrices with smaller dimensions, and the solutions of the two problems were obtained by applying the conclusions of real symmetric matrices

    摘要根據雙對稱矩陣的性質，將雙對稱矩陣的一類約束逆特徵值問題及其逼近問題分解成具有較小階數的實對稱矩陣的同類子問題，然後利用實對稱矩陣的結果導出雙對稱矩陣的這兩個問題的解。
  10. Iterative approximation problem of fixed points with mixed errors for asymptotically quasi - nonexpansive type mappings in banach spaces

    關于漸近擬非擴展型映象不動點的迭代逼近問題
  11. Approximation problem of a class of fuzzy systems

    一類模糊系統的逼近問題
  12. Approximation problem of solutions for - accretive operators equation in banach spance

    增生運算元方程解的逼近問題
  13. Approximation problem of solutions for a class of nonlinear - strongly accretive operators equation in banach spance

    強增生運算元方程解的逼近問題
  14. Least - squares solutions for inverse problem of anti - hermitian generalized anti - hamiltonian matrices on the linear manifold and optimal approximation problem

    線性流形上反埃爾米特廣義反漢密爾頓矩陣反問題的最小二乘解及其最佳逼近問題
  15. 6. the necessary and sufficient conditions for the existence of and the general expressions of the skew - symmetric solution of the lyapunov equation f7 ( x, y ) = 0 are obtained, and the related optimal approximation problem is solved

    6 .得到了廣義lyapunov方程人（ x ， y ） = o具有反對稱解的充分必要條件，解的通式及解的最佳逼近問題的解
  16. Solutions of inverse problems for positive definite semidefinite symmetrizable matrices and the optimal approximation problem

    正定化矩陣反問題的解及其最佳逼近
  17. On the iterative approximation problem of fixed points for strictly pseudocontrative mappings in banach spaces

    嚴格偽壓縮映像不動點的迭代逼近
  18. Iterative approximation problem of fixed points for asymptotically nonexpansive mappings in banach spaces

    空間中漸近非擴張映象不動點的迭代逼近問題
  19. On the iterative approximation problem of fixed points for asymptotically nonexpansive type mappings in banach spaces

    空間中漸近非擴張型映象不動點的迭代逼近問題
  20. And two types of problems are applied based on the agent - based approach : the nonlinear system approximation problem and the classification problem

    最後，基於智能體的進化演算法補應用於非線性系統模擬問題和分類問題中。
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