Strang s analysis applies to so-called banded matrices. Most of the Numbers in a banded matrix are zeroes; the only exceptions fall along diagonal bands, at or near the central diagonal of the matrix.
Strang的分析被应用于所谓的带状矩阵上；带状矩阵的绝大多数项都是0；唯一的例外是矩阵中心或靠近矩阵中心的对角带。
Seeking a power of general matrix is often through seeking a power of diagonal matrix .
通常是将求一般矩阵的方幂转化为求对角矩阵的方幂。
Method of completing square is often used when transforming a quadratic form into a normal one, whose process is equivalent to making the relevant matrix contract diagonal.
二次型化标准形常采用配方法，而二次型化标准形等价于它的矩阵合同对角化，文中利用初等矩阵和初等变换之间的关系。
Based on the spectral set of skew-symmetric matrix, the result that a class sign pattern matrix with zero diagonal is unique inertia was proved by using orthogonal similarity transformation.
本文基于反对称矩阵的谱集，采用正交相似变换，得到一类具有零对角的符号模式矩阵具有唯一惯量的结论。
A compensating approach to the diagonal domination and approximate normalization of multivariable systems is presented in this paper in view of the matrix similarity concept.
利用矩阵的相似概念，本文提出一种多变量系统对角优势化和近似正规化的补偿方法。
A upper bound with consistent matrix norm and the estimate for error of AOR iterative method for solving linear equation system, which based on the doubly diagonal dominance, are presented.
在双严格占优矩阵条件下，给出了相容矩阵范数的一个上界，并以此为基础，得到了线性方程组求解时的AOR迭代法的误差估计式。
We introduced the concept of block directed edge cover diagonal quasi dominant matrix, obtained a new nonsingularity criteria for matrices and distribution theorem on eigenvalues of matrix.
引进了拟块有向边覆盖对角占优矩阵概念，给出了新的矩阵非奇异判定定理和特征值分布定理。
In this paper, a kind of inverse eigenvalue problem which is the reconstruction of real symmetric five-diagonal matrix by five eigenvalues and corresponding eigenvectors is proposed.
本文讨论了一类由五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。
Since all elements on the primary diagonal are 1s and the dimensions are less than 2006, the graph with A2006 as its adjacency matrix is the transitive closure of the graph represented by a.
由于主对角线上的元素都是1，而且矩阵的阶小于2006，所以为a2006邻接矩阵的图就是由A表示的图的传递闭包。
It is proved that the stiffness matrix of the finite element solution is a block diagonal matrix and its elements are some symmetric and block circulant submatrices.
证明了有限元求解的刚度矩阵是一个块对角阵，且其子矩阵是某种对称、块循环矩阵。
The internal iterative calculation is to correlate the equations of mass and phase equilibrium into a triple diagonal matrix from which the liquid compositions can be found out.
即内层迭代是将物料平衡方程和相平衡方程联立，化为三对角矩阵形式，由之解出各板液相组成后，通过泡点计算法求定各板新的温度和相平衡常数。
By the methods it is assumed that a structural system can be reduced to a lumped parameter system, of which the mass matrix is diagonal.
方法假定结构可以简化为集中参数系统，其质量矩阵是对角的。
It is proposed a new topological method of adjacent matrix of esters which was constructed by taking the characteristic value of the pieces of ester compounds as principal diagonal element.
提出了拓扑方法，即考虑分子图顶点的性质，直接用酯类化合物的分子碎片的特征值为主元来构建邻接矩阵。
Given a matrix of Mx N elements (M rows, N columns), return all elements of the matrix in diagonal order.
给定一个M行N列矩阵，用对角顺序返回矩阵的所有元素。
Given a matrix of Mx N elements (M rows, N columns), return all elements of the matrix in diagonal order.
给定一个M行N列矩阵，用对角顺序返回矩阵的所有元素。
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