美 英 un.矩阵的主对角线 英汉 un. 1. 矩阵的主对角线
If A is a skew-symmetric matrix and n is odd positive integer, then A^... 01:15 Show that the elements on the main diagonal of a skew-symmetric mat... 07:12 In a skew-symmetric matrix, every principal diagonal element is 01:30 Show that the elements on the main diagonal of a sk...
A square matrix is an upper triangular matrix if all elements below the principal diagonal are zero. So a 2* 2 upper triangular matrix has the formA=(bmatrix) a&b 0&d(bmatrix) where a, b, and d are any real numbers. Discuss the validity of each of the following statements. If th...
In this paper, for each and every strongly connected component in a digraph, we add weights to diagonal elements of its member nodes in the adjacency matrix such that the modified matrix will have the new unique largest eigenvalue and corresponding principal eigenvectors. Consequently, we use the...
I f not, give examples.I f A an d B are 2 × 2 diagonal matrices, then A B = BA. 2【题目】 A square matrix is a diagonal matrix if all elements not onthe principal diagonal are zero. So a 2 × 2 diagonal matrixhas the formA=[&a&0&0%]where a an d d are real numbers....
After estimation of the common eigenvectors using the Flury-Gautschi (or other) algorithm, the off-diagonal elements of the nearly diagonalised covariance matrices are shrunk towards zero and multiplied with the orthogonal common eigenvector matrix to obtain the regularised CPC covariance matrix ...
Analysing the distance matrix using Principal Component Analysis (PCA) would satisfy this criterion because it does not assume a specific structure of data (Fig. 1, conventional PCA). Rather, it rotates the matrix and projects it to sets of diagonal axes; it finds directions of differences and...
A Z-matrix is a square matrix with nonpositive off-diagonal elements. We give a polynomial algorithm for testing the nonnegativity of principal minors of Z-matrices.doi:10.1016/0024-3795(86)90264-8K.G. RamamurthyElsevier Inc.Linear Algebra & Its Applications...
The diagonal elements of Σp×p, σi≥0, i=1, 2,…, r, are called the singular values of Y and are equal to the nonnegative square roots of the nonzero eigenvalues of either YTY or YYT. Since Y is of rank r, both YTY and YYT have the same rank r and the same r nonze...
In some of these, the crucial elements are the eigenvalues of the partial transpose of the density matrix. In this paper, we show that one can also have information about the entanglement of bipartite state, in C2xC2, looking at the minimal principals of the partial transpose. 展开 ...