【
Abstract】In this paper, the definition of block matrix is given, and the related properties of block matrix
are summarized
. T
he inverse of
u
pper (lower) triangular matrix
,3×3
block matrix and
4×4
block matrix is further discussed
.
【
Key words】
M
atrix;
B
lock matrix;
I
nverse matrix
目录
引言
1
1 分块矩阵定义
1
2 上（下）三角分块矩阵的逆
3
3
3×3分块矩阵的逆
6
4
4×4分块矩阵的逆
10
5
结论
13
6 参考文献
14
7 致谢
15
引言
矩阵对于处理很多实际问题都有着非常大的作用.矩阵求
某些分块矩阵的逆-10656字.docx