The algorithm uses the wavelet decomposition and reconstruction in multi-resolution editing B-spline curves and transforms a zonal matrix or sparse matrix to a row simplified matrix using the properties of the augmented matrix of the system of linear equations,which is a zonal matrix or sparse matrix,by elementary row operation.

該算法利用方程組的增廣矩陣為類(lèi)帶狀矩陣或者稀疏矩陣這一特點(diǎn)日韩真实性爱高清一区二区，運(yùn)用簡(jiǎn)單的矩陣的行初等變換免费色色色色，將類(lèi)帶狀矩陣或者稀疏矩陣化成容易接受的行簡(jiǎn)化矩陣日韩国产区，解方程組iGao视频入口，使小波分解與重構(gòu)的過(guò)程快速準(zhǔn)確国产夜色视频精品一区，使從事相關(guān)工作的技術(shù)人員更容易理解和接受。

In chapter three, at first we introduces two kinds locally double αdiagonally dominant matrix from the concept of αdiagonally dominant matrix, by using this conception and the properties of αdiagonally dominant matrix and the techniques of inequalities, we discuss the relation of locally double αdiagonally dominant matrix and generalized strictly diagonally dominant matrix, according to these relations we obtain some effective criteria for generalized strictly diagonally dominant matrix.

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In the research to demand of International reserves,first, according to the affective character of demand to transition of International reserves, choosing the decision theory of Markov and dynamic transition equation as basic model, the paper has set up two transition methods--- stationary matrix and dynamic matrix, the later matrix has improved the sensitive reaction to time and velocity. Second, combining with knowledge of linear algebra, the paper has analyzed and testified the positive associated relation between transition matrix elements on main diagonal and the convergent speed of system, and explained why international reserves transition embodies the character under new situation and why the transition process can be accelerated by the strike of international idle money. Third,on the quantitative calculating to elements of transition matrix,referring to multiplication theory and decomposing-composing method of system, the paper has transformed main three-factor deciding confidence of international monetary into detail modulus by comparing analysis measure,now the matrix has been decided.

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Selfconjugate matrix, skewselfconjugate matrix, perselfconjugate matrix, skewperselfconjugate matrix, centrosymmetric matrix, skewcentrosymmetric matrix, bisymmetric matrix, and skewbisymmetric matrix over a ring with an involutorial antiautomorphism are defined. Significant criteria for matrices to be bisymmetric and skewbisymmetric are obtained.

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Computing inverse matrix, a unit entrainment in the matrix behind the matrix, and then in front of it is processed into a matrix, diagonal matrix, the latter matrix that is the inverse matrix.

詳細(xì)說(shuō)明：計(jì)算逆矩陣，在矩陣后面夾帶一個(gè)單位矩陣亚洲天堂的无码在线视频，然后把前面那一個(gè)矩陣處理成對(duì)角線(xiàn)單位矩陣国产性交视屏，后面的那個(gè)矩陣就是逆矩陣。

This project studies the scale-dependent deformation behavior of the metal matrix composite, the void nucleation and void growth mechanisms at the micron/submicron scale. The main results are:(1) In prophase, growth and coalescence of the void embedded in the graded matrix are analyzed in detailed;(2) Based on the infinite solid model containing a micro-void, coupling effects of the void shape and the void size on the void growth are studied carefully, the results show that it seems to exist a critical equivalent void radius, which is associated with the material length. When radius of a microvoid is close to or smaller than the critical void radius, the micro-void growth rate is essentially eliminated;(3) The coupling effects of the particle shape and size on the mesoscopic stress fields within the particle and matrix are also investigated by introducing the conception of inclusion/matrix interfacial energy. The results show that the stress concentration factors within the particle and on the matrix/particle interface are also strongly size-dependent,so the void nucleation mechanism is size-dependent.(4) By employing a specific orthogonal curve coordinate frame and a 'kernel function' conception, a 'unified method'solving the spheriodal and spherical void problems is suggested; by this unified method, size-dependent plastic potentials of the porous materials containing the spheriodal or spherical voids are obtained, which extend the traditional Gurson model for the spherical void and GLD model for the spheriodal voids to the micron scale.(5) Based on the RVE model containing the spheriodal or spherical particles, the influences of the particle shape and size on the size-dependent mechanical behavior of metal matrix composite are studied.

中文摘要：本項(xiàng)目對(duì)金屬基復(fù)合材料在微細(xì)觀尺度下的尺度相關(guān)變形行為sansansy.com、孔洞形核及長(zhǎng)大的機(jī)理和模型進(jìn)行了研究欧美第一黄站视频，取得了如下主要結(jié)果：1）在前期研究中，探討了基體的梯度分布對(duì)孔洞長(zhǎng)大和聚合的影響欧美精品理论片大全；2）基于含孔洞的無(wú)限大體模型国内精品久久久久影院网站，探討了孔洞形狀和孔洞尺寸對(duì)其長(zhǎng)大的耦合作用，結(jié)果表明：可能存在一個(gè)與材料特征長(zhǎng)度相關(guān)的臨界孔洞尺寸网站视频免黄片大全皮毛大全，當(dāng)橢球孔洞的等效半徑小于臨界孔洞半徑時(shí)中文字幕黄网，孔洞的長(zhǎng)大受到明顯抑制99精品视频网址；3）通過(guò)引入基體/夾雜界面能的概念，分析了夾雜尺寸欧美一级A片免费观看免费图片儿。、夾雜形狀對(duì)材料細(xì)觀應(yīng)力場(chǎng)的耦合影響成人h3d在线播放，結(jié)果表明：顆粒內(nèi)部和界面上的應(yīng)力集中因子強(qiáng)烈地依賴(lài)于夾雜的尺寸和形狀，因此JIZZJIZZ在线中国，孔洞的形核機(jī)理是尺寸相關(guān)的人妻思思热精品在线；4）采用一種特殊的正交曲線(xiàn)坐標(biāo)系和引入"核函數(shù)"的概念，"統(tǒng)一"地得到了含橢球和球形孔洞的材料的尺寸相關(guān)塑性勢(shì)欧美一级视频97，它將傳統(tǒng)的Gurson球形孔洞模型和GLD橢球孔洞模型推廣到微尺度范圍插的好舒服哦好深哦好；5）基于含橢球和球形夾雜的體胞模型，初步研究了夾雜形狀欧美A片偷拍视频、夾雜尺寸對(duì)金屬基復(fù)合材料尺寸相關(guān)力學(xué)行為的影響人人摸人人操人人爱人人看。

Missirlis in article [1]. At the same time, a sufficient condition for convergence of the PSD method is given to be compared when the coefficient matrix A of the linear system Ax = b is a symmetric, positively defective matrix. In §3.2, an example is given to state that the range of our sufficient condition is wider than theorem 3.3 of article [1]. On the other hand, following a.n analogous approach of [14] and starting the functional relationshipwe have a perfect analysis for the PSD method to converge and optimum valves for the involved parameters under different conditions.Under the assumptions that A is a consistent ordered matrix with nonvanishing diagonal elements and the eigenvalues of the Jacobi matrix of A are real,we get necessary and sufficient conditions for the PSD method to convergence.The result is equal to theorem 1 of article [9].Under the same condition, we can see the optimal parameter and of corresponding spectral radius of thePSD method in [8]:(2)When A is a consistent ordered matrix with nonvanishing diagonal elements and the eigenvalues of the Jacobi matrix of A are imaginary or zero,we get necessary and sufficient conditions for the PSD method to convergence.In chapter 3, the optimal parameter and of corresponding spectral radius of the PSD method are given by table 3.3. Moreover, under the assumption 0

Missirlis在文獻(xiàn)[1]中定理3.3的不準(zhǔn)確，同時(shí)給出了當(dāng)線(xiàn)性方程組Ax=b的系數(shù)矩陣A為對(duì)稱(chēng)正定陣時(shí)粗粗色，PSD迭代法收斂的一個(gè)充分條件與之比較72av视频，并且在§2.3中用實(shí)例說(shuō)明了對(duì)于一部分矩陣而言本文得到的充分條件廣于[1]中定理3.3的充分條件；另一方面亚洲免费观看下载视频，按照文獻(xiàn)[14]的方法中文字幕第10页，我們從PSD迭代法的特征值λ與其Jacobi迭代矩陣B的特征值μ的關(guān)系式：出發(fā)，在不同條件下對(duì)PSD迭代法的收斂性和最優(yōu)參數(shù)以及最優(yōu)譜半徑進(jìn)行了完整的分析：(1)在系數(shù)矩陣A為(1麻豆久久精品国产99国产，1)相容次序矩陣且對(duì)角元全不為零人人草黄色视频在线，其Jacobi迭代矩陣B的特征值全為實(shí)數(shù)的條件下，給出了PSD迭代法收斂的充分必要條件日本视频www免费试看，此結(jié)果與[9]中的定理1等價(jià)黄色性爱啪啪免费观看，此時(shí)最優(yōu)參數(shù)及最優(yōu)譜半徑由[8]得：(2)第三章表3.3中給出了，當(dāng)系數(shù)矩陣A為(1www.26uuuu，1)相容次序矩陣且對(duì)角元全不為零久久r久久，其Jacobi迭代矩陣B的特征值全為純虛數(shù)或零時(shí)的PSD迭代法的收斂范圍和最優(yōu)參數(shù)，并且我們可以得到當(dāng)0

The method for constructing LDPCC code includes encoder and decoder. Operational steps include as following: determining parameters of checkout matrix HQT of group code of permutation unit matrix LDPC; constructing checkout matrix HQT of group code of permutation unit matrix LDPC; constructing checkout polynomial matrix HT of LDPCC code; exporting generated matrix G of LDPCC code.

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Five ways on comparing covariance matrix are applied to the Shanghai 50 Indexes Stock Exchange, which are sample covariance matrix, scalar matrix, two-parameter covariance matrix, single index matrix, constant correlation matrix. We adopt principal components method and Markowitz portfolio method to measure stock market risk using VaR, getting the effect of measuring market risk. The result shows that sample covariance matrix and two-parameter covariance matrix could measure market risk more effectively.

本文以上證50指數(shù)數(shù)據(jù)為樣本，采用樣本協(xié)方差矩陣、數(shù)量矩陣色哟哟中文字幕、兩參數(shù)模型矩陣无码一区网站、單指數(shù)模型矩陣、常量相關(guān)矩陣作為與股票相關(guān)的協(xié)方差矩陣黄视频app，結(jié)合投資策略選擇的主成分方法和Markowitz最優(yōu)投資組合方法gogo高清大胆大尺度专业网站1，計(jì)算VaR以度量市場(chǎng)風(fēng)險(xiǎn)，并比較了五種協(xié)方差矩陣度量市場(chǎng)風(fēng)險(xiǎn)的效果免费观看国产污网站在线观看不要卡，結(jié)果表明，在主成分方法中欧美性XXXX极品HD欧美风情，樣本協(xié)方差矩陣和兩參數(shù)矩陣方法能有效的度量市場(chǎng)風(fēng)險(xiǎn)久久国产99。

On the basis of the definition of matrix traces , this paper discusses their characteristics at first and then according to the norm of the F of square matrix and Cauchy-Schwarz inequality gives how to prove the zero matrix, unsimilar matrix, number cloth matrix, column matrix idempotent matrix and non-equality matrix.

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