lanczos 中文意思是什麼
lanczos
解釋
蘭措什-
Wind induced responses determination of dome like roof using lanczos vectors direct superposition
向量直接疊加法確定圓拱頂屋蓋風致響應 -
The implicitly restarted block lanczos method is the polynomial acceleration method. the rate of convergence depends on the choice of shifts
隱式重新開始塊lanczos方法是多項式加速的方法，其收斂速度取決于位移的選擇。 -
This thesis derives three algorithms for solving large indefinite symmetric sparse linear systems on the basis of lanczos method
本文研究求解大型對稱不定線性方程組的數值方法，在lanczos演算法的基礎上提出了三個改進的演算法。 -
If the converged ritz value is unwanted then it must be removed from the subsequent of block lanczos factorizations. this is called purging
如果所得到收斂的ritz值是不想要的，則把它從塊lanczos因子分解的子序列中除去，即所謂清除。 -
If the converged ritz values is wanted, it is necessary to keep it in the subsequent of block lanczos factorizations. this is called locking
如果在迭代過程中所得到收斂的ritz值是想要的，則把它保存在塊lanczos因子分解的子序列中，即所謂鎖定。 -
Numerical results show the dynamic deflation for the implicitly restarted block lanczos method is effective for computing the multiple or clustered eigenvalues of a large sparse symmetric matrix
數值結果表明，動態收縮的隱式重新開始塊lanczos方法，對計算大型稀疏對稱矩陣的重特徵值或密集特徵值是有效的。 -
The first algorithm is the restarted and deflated lanczos algorithm. at each beginning, we rich approximate eigenvectors corresponding to a few of smallest eigenvalues in magnitude to the krylov subspace
第一種演算法是重新開始的帶特徵向量的lanczos演算法，每次重新開始時，我們把一些絕對值較小的特徵值對應的特徵向量加入到krylov子空間。 -
Firstly, it is generalized to the block case. secondly, we absorb the preconditioning idea of davidson method and preconditioned lanczos method and propose preconditioned inexact newton method and preconditioned block inexact newton method
首先將不精確newton方法推廣到塊形式；其次借鑒davidson方法和預處理lanczos方法的預處理思想，提出了預處理不精確newton方法和預處理塊不精確newton方法。 -
In order to compute the multiple or clustered eigenvalues effectively, a dynamic deflation technique for the implicitly restarted block lanczos method is presented, and its application to the implicitly restarted block lanczos method is discussed
為了有效地計算重特徵值或密集特徵值，本文討論了動態收縮技術對隱式重新開始塊lanczos方法的應用，提出了隱式重新開始塊lanczos方法的動態收縮技術。 -
And according to real conditions has finished relative experiments. consequently, in theory the author utilizes subspace and lanczos methods to analyses, experimental data. through the comparing, find in " limiting elements calculation the different boundary can affect dynamic properties, for example, the important place of lateral vibration, vertical vibration, shrinking vibration and vertical distortion vibration in automatic frequency
在現有條件下完成了相應的部分實驗，並用subspace （子空間）迭代法和lanczos （蘭索斯）法在理論上對實驗數據進行分析，同時與試驗成果相互對照，找出不同的邊界條件在有限元計算中對結構動力特性的影響，例如，側向振動、上下振動、收縮振動及豎向扭曲振動在結構的自振頻率中的主次關系。 -
By the means of lanczos in dynamics analysis of large space grid structure, the thesis workouts inherent frequency and models. this method can solve eigenvalue more fast than that of means called subspace iteration, and can reduce the possibility of losing eigenvalue
通過研究lanczos方法在大型結構動力分析中的應用途徑，在程序中採用了該方法來求解空間網格結構的自振頻率和振型，使sgscad在計算結構自振頻率時速度更快，並減少了漏頻現象。 -
Numerical result shows that the new method is more efficient in convergence than the standard lanczos algorithm ; the second algorithm generalizes the implicitly restarted arnoldi ( ira ) augmented by soreesen to the implicitly restarted lanczos algorithm, which improves the convergence rate of lanczos algorithm by making good use of the spectral information obtained from the previous process. the last algorithm utilizes deflation strategies to the second algorithm to forming invariant subspace for a, so that the stability can be kept in computing process
數值試驗表明，該演算法比標準lanczos方法具有更好的收斂性；第二種演算法是將求解特徵值問題的隱式循環arnoldi方法（ ira ）應用於求解對稱不定線性方程組的lanczos演算法，充分利用lanczos演算法過程中的譜信息，確定預處理；第三種演算法是在第二種演算法的基礎上，運用收縮技巧，形成近似不變子空間，以提高收斂速度和數值穩定性。 -
In terms of diagnostic analysis chiefly, including of lanczos filter, single value decomposition ( svd ), ceof, composite and correlation analysis etc., and numerical modeling, the temporal and spatial characteristics of the intraseasonal oscillation ( mjo ) of the air - sea system and the causes are investigated in this paper
本文對海氣系統季內振蕩的時空特徵及其成因作了氣候學研究。主要採用診斷方法（ lanczos濾波、奇異值分解、復自然正交函數分析、合成分析及相關分析等） ，並結合數值模擬。
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