逆陣 的英文怎麼說中文拼音 [nìzhèn]
逆陣 英文inverse matrix
The property of symmetry can also be used to save a part of the computational effort required for matrix inversion or for a solution of equations.
對稱的特性也可用來節省矩陣求逆中或求解方程中所需要的一部分計算量。The matrix is defined as the reciprocal of a.
該矩陣定義為A之逆矩陣。The two boys were sworn friends all the weekdays, and embattled enemies on saturdays.
這兩個朋友平日是莫逆之交，一到星期六就是對陣的敵人。This bosom friend was joe harper. the two boys were sworn friends all the week, and embattled enemies on saturdays
這兩個朋友平日里是莫逆之交，可到了星期六就成了對陣的敵人。Coordinate system of the manipulator is built, and kinematic equation is obtained. the reverse kinematics of the robot is analyzed using algebra and geometry, and the conditions to eliminate excrescent results are presented. and the working space of the mechanical arm is gained, singularity of the manipulator is analyzed
對機械臂進行了運動學分析，建立機械臂坐標系，建立正運動學方程，並採用代數法和幾何法求解機器人逆運動學問題，並給出剔除多解的條件，求解出機器人手臂的工作空間和雅可比矩陣，並對機械臂的奇異性進行分析。The first kind of algorithm is based on s - box controlled by key, the algorithm distinguishes most of other block ciphers, its visible quality is that its s - box is not regular and fixative, but controlled by block cipher ' s key. the second kind of algorithm is based on smn ( d ) array code, it makes full use of the visible quality of smn ( d ) array code possessing big code distance ( d ). the thesis discusses the two algorithms " reversibility, security and their qualities, the
第一種是基於「 s -盒由密鑰控制」的變結構分組密碼，該演算法區別于其它大部分分組密碼最大的特點是它的s -盒不是固定不變的而是由密鑰控制產生；第二種是基於smn （ d ）陣列編碼的變結構分組密碼，該演算法充分利用了smn （ d ）陣列編碼具有碼距大的特點；文中對這兩個演算法的可逆性、安全性及其性能等進行了探討和分析，分析結果認為這兩個變結構演算法正確、有效且安全。It forms a flexibility matrix which, when inverted, gives (so＊).
當形成一個柔度矩陣求逆時，它給出（So）。( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model
對此，本文提出了一種基於逐層門限技術的近似逆矩陣稀疏模式預選方法，並構造了相應的稀疏近似逆預條件子，結合gcr演算法和g州[ r衛s演算法，首次將逐層門限稀疏近似逆預條件子應用於新一代多尺度預報模式動力內核的實際計算，數值實驗表明這里給出的方法可以大大提高數值模式的計算效率。The aim of this chapter is to develop properties of the inverse.
本章的目的是要開發逆矩陣的性質。Pre - invertible and pre - orthogonal of universal matrix
一般矩陣的準可逆和準正交On the invertible completions of partial operator matrices
缺項運算元矩陣的逆補Sufficient conditions of determination for invertible matrix
判定矩陣可逆的幾個充分條件On necessary and sufficient condition of invertible matrix in integral ring
整數環上矩陣可逆的充要條件Discussion about solving invertible matrix when translating a matrix into its normal form
關于化矩陣為標準形時可逆矩陣求法的探討The second part of this paper is mainly concerned about an interesting matrix inequality presented in [ 5 ], which is then generalized in m ~ " under the entry - wise nonnegative ordering. we introduced the concept of sub - kronecker product, and establish an inequality which relates the schur complement of a and b for positive semidefinite matrices a and b. our results improve the related known results obtained by t. l. markham and r. l. smith in 1998 ( see [ 5 ] )
第二部分研究了文獻[ 5 ]中提出的一個有趣的矩陣不等式，並將此不等式在逆m -矩陣中推廣，然後引入次kronecker乘法的概念，提出並證明了一個更廣泛的不等式，改進了t . l . markham和r . l . smith在[ 5 ]中的有關結果。The spectral analysis of non - orthogonal functions cannot be obtained by orthogonal integration method. only the spectral analysis of some particular non - orthogonal functions can be realized by integral transformation. thus, the concept of reflection matrix is proposed and the mirror symmetry of spectral analysis for non - orthogonal function is revealed. any element functions whose reflection matrix can be obtained possesses its inverse element function. the spectral vector corresponding to an element function possesses its inverse spectral vector corresponding to the inverse element function. by reflection matrix the mapping relation of element function pair and spectral vector pair can be established. spectral analysis of non - orthogonal functions can be obtained with this symmetry by using the integration method as in the case of orthogonal functions, instead of calculating the inverse matrix as usual. so a convenient and practical method for spectral analysis of non - orthogonal functions is offered
非正交函數不能利用正交積分來實現譜分解.僅有某些特殊的非正交函數可以通過積分變換實現譜分解.本文提出了反射陣的概念，揭示了非正交函數譜分析的鏡像對稱性.任何能夠建立起反射陣的元函數存在著它的逆元函數，並且任何基於該元函數的譜向量同時也存在著基於逆元函數的逆譜向量.元函數對與譜向量對通過反射陣建立映射關系.利用這種對稱性，非正交函數可以象正交函數一樣使用積分方法獲得譜分解結果，而不必使用求解逆陣的方法，從而為非正交函數的譜分解提供了便捷、實用的方法Several properties of adjoint matrix and two classes generalized inverse matrices
伴隨陣與兩種廣義逆陣的若干性質The experimental results on orl face database show that by the proposed improved method, eigenvalues of the optimized covariance matrices become larger and the matrices inverses become more stable
在orl人臉庫上的實驗表明，優化后協方差矩陣的特徵值均顯著變大，使該矩陣的逆陣穩定性得到了提高。According to the geometry model constructed in this paper, kinematics analysis, inverse kinematics with its optimization, analysis and calculation of dynamics are introduced. the resolution of matrix reverse transformation and gradient projection based on fake reverse matrix are used in the computation
建立了該手腕的幾何模型，針對該模型展開了運動學分析、逆運動學解的計算，計算使用了矩陣逆變換的解析法和基於偽逆陣的梯度投影法兩種方法。Based on the given securities combination model and the justified general principle of the invertible matrix, the analyze expression formula of securities investment combination right counting was deduced and justified with the examples