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- real symmetric tensor 实对称张量
- A real symmetric matrix A can be expressed as ??. 一个实对称矩阵A能被表示为??。
- Yes, if we write them as rank-2 symmetric tensor fields, they satisfied Einstein equation.However, it is not clear how big a deal this is, since diffeomorphism is put in before hand. 在近似下,弦论可以得出广义相对论,从而一切证实广义相对论的实验都是对弦论的支持。
- A method of estimating the maximum and minimum eigenvalue of real symmetric matrices is given in this article, and its application is also discussed. 摘要本文给出了实对称矩阵最大与最小特徵值的一种估计方法及其应用。
- In the discussion of Euclid space ,the matter if n order real symmetric matrix A is positive definite remained important in the theory of matrix . 讨论Euclid空间中n阶实对称矩阵A是否正定,一直是矩阵理论中的重要问题。
- Based on the general solution of a kind of linear tensorial equations, the invariant representation of the spin of a symmetric tensor is obtained. 基于对一类线性张量方程的一般解法,导出了任一对称张量所对应的自旋张量的绝对表示。
- As for computing the largest eigenvalue and its eigenvector of a higher-order real symmetric matrix in the algorithm, the power method is used. 对于算法中涉及的求高阶实对称阵的最大特征值及其特征向量,采用幂法加以实现。
- This paper is concerned with the problem of real symmetric positive semidefinite matrix pencil under spectral restriction. 本文讨论谱约束下实对称半正定矩阵束的最佳逼近问题,指出一般算法。
- completely skew symmetric tensor 完全(斜)对称张量
- With this algorithm,the number of eigenvalues of a real symmetric matrix in the given interval can be counted,and the eigenvalues of the matrix can be calculated. 该算法可求出实对称矩阵在给定区间内的特征值的个数,并可计算满足精度要求的特征值。
- Nine equivalent conditions of real idempotent matrix are given and proved,and one equivalent condition of real symmetric idempotent matrix is also given in this paper. 给出并证明了实幂等矩阵的九个等价条件,以及实对称幂等矩阵的一个等价条件。
- Orthogonality between two characteristic subspaces that correspondence by non zero characteristic value of two real symmetric trausformations is discorused in this paper,than the Craig Theorem has become a corollaire too. 讨论了欧氏空间中的两个实对称变换的非零特征根的所对应特征子空间互相正交的充要条件 ,并用比较简捷的方法证明了定理 1 ,将它应用到概率论中证明了Craig定理。
- In this paper, a kind of inverse eigenvalue problem which is the reconstruction of real symmetric five-diagonal matrix by four eigenvalues and corresponding eigenvectors is proposed. 摘要讨论了一类由四个特征值和相应特征向量构造实对称五对角矩阵的特征值反问题。
- This paper presents a algorithm for distinguishing a real symmetric matrix into a positive definite, positive semidefinite, negative definite, negative semidefinite or non-definite matrix. 给出判别实对称矩阵为正定、半正定、负定、半负定或不定的一个算法;采用选最大对角元的方法,可使数值计算稳定性好。
- General Solution of the Eigenvector of Second-order Real Symmetric Cartesian Tensor 二阶实对称笛卡尔张量之本征矢的通解
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- That's where the real danger lies. 这正是真正的危险所在。
- real symmetric positive definite matrix 实对称正定矩阵
- real symmetric quaternary quartics 四元四次对称型
- That new shopping centre is a real eyesore. 那个新的购物中心真是难看极了。
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