摘要
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.
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.
出处
《北华大学学报(自然科学版)》
CAS
2005年第5期389-391,共3页
Journal of Beihua University(Natural Science)
关键词
分块矩阵
有向图
拟块有向边覆盖对角占优矩阵
非奇异
特征值
Partitioned matrices
Directed graph
Block directed edge cover diagonal quasi dominant matrices
Nonsingular matrices
Eigenvalues