linear approximation problem 中文意思是什麼

linear approximation problem 解釋
線性逼近問題
  • linear : adj. 1. 線的，直線的。2. 長度的。3. 【數學】一次的，線性的。4. 【動、植】線狀的；細長的。5. 由線條組成的，以線條為主的，強調線條的。
  • 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. 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。
  2. Multi - channel deconvolution, based on multi - channel signal analysis, is presented to recover receiver function from three - component teleseismic p waveforms clustered within certain backazimuth and epicenter distance, to increase the resolution of receiver function. wavelet inversion is also introduced to broadband receiver function, to solve for nonuniqueness cased by linear approximation of nonlinear problem, and broadband receiver function is decomposed into multi - resolution versions, and the inversion result for the low - resolution version is iteratively taken as the initial model for the high - resolution, and gradually obtain the inversion model for broadband receiver function

    為克服廣義線性反演對初始模型的依賴性，並保持其快速收斂的特點，本文首次將小波變換引入到接收函數波形反演，將接收函數分解到不同的分辨尺度上，分別進行廣義線性反演，並將低解析度的反演結果作為高解析度反演的初始模型，漸近地獲取寬頻帶接收函數的模型，克服了非線性問題線性化帶來的非唯一性。
  3. 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。
  4. The quadratic programming perturbation approximation method for the linear programming problem

    求解線性規劃問題的二次規劃攝動逼近法
  5. An approximation method for linear moment problem

    求解線性矩問題的一個逼近方法
  6. The unconstrained and constrained linear matrix equations and related least squares ( l - s ) problems have been of interest for many applications, including particle physics and geology, control theory, the inverse sturm - liouville problem, inverse problems of vibration theory, digital image and signal processing, photogrammetry, finite elements and multidimensional approximation

    例如在粒子物理學和地質學， sturm - liouville逆問題，自動控制理論的逆問題，振動理論的逆問題，數碼影象和信號處理，航空投影測量學，有限元及多維逼近問題等方面都有重要的作用。
  7. Traditional method can be classified two class : linear optimization technique and nonlinear optimization technique, linear optimization technique base on born approximation or rytov approximation is usually used to solve weak scattering problem

    線性優化方法採用線性近似忽略了散射體內部的多次散射，可以有效的反演低對比度的問題，但對于高對比度問題的求解則有可能不收斂。
  8. 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
  9. The objective function of the qp problem is a quadratic function which is an approximation of the lagrangian function of the constrained problem and the constraints of the qp problem are linear approximation of the constraints of the constrained problem

    這些二次規劃子問題的目標函數是原約束最優化問題的lagrange函數的二次某種近似，其約束條件是原約束最優化問題的線性逼近。
  10. As for nonlinear problem, the approximation schemes and the error analysis of pti are investigated, in order to avoid the computation of inverse matrix, the pti with dimensional expanding is proposed. the methods of constant, linear, sinusoidal approximation are proposed for the transformation of non - homogenous terms

    通過增維技術，該演算法將非齊次方程齊次化，從而避免了矩陣求逆，並給出非齊次項常數近似、線性近似和正弦餘弦近似的處理方法。
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