block diagonal matrix [数] 分块对角矩阵 ; 块对角矩阵 ; 块D ; 方块对角矩阵
skew Hermitian block diagonal matrix 反Hermite准对角矩阵
the block diagonal matrix 分块次对角矩阵
generalized block diagonal matrix 广义分块对角矩阵
normal cyclic block diagonal matrix 标准循环分块对角矩阵
block five-diagonal matrix 块五对角矩阵
block-five-diagonal matrix 块五对角矩阵
block bordered diagonal matrix 对角加边矩阵
block diagonal factor circulant matrix 块对角因子循环矩阵
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。
Based on the block bordered diagonal matrix structure, this paper presents a new discrete decomposition algorithm for the reactive-power optimization in a multi-area power system.
基于对角加边矩阵结构，提出了一种新的多区域电力系统离散无功优化分解算法。
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。
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