2.7 矩阵的秩
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2.7 矩阵的秩. - PowerPoint PPT PresentationTRANSCRIPT
2.7 矩阵的秩
11 12 1 1 1 1
22 2 2 1 2
1
0
0 0
0 0 0 0 0
0 0 0 0 0
r r n
r r n
m n rr rr rn
a a a a a
a a a a
A a a a
11 12 1
22 211 22
00
0 0
r
rrr
rr
a a a
a aa a a
a
1 1 2 2 1 1
1 2 1 1 2 1
1 2
r r
r r
it jt it jt it jt
it it it jt jt jt
M a ka a ka a ka
a a a k a a a
M kM
记为
0
0 0Ar
E
1 2 1 4 0
2 5 2 5 3
0 1 5 4 3
3 8 5 6 6
A
2 1
4 1
3 2
4 2
23
2
1 2 1 4 0
0 1 4 3 3
0 1 5 4 3
0 2 8 6 6
1 2 1 4 0
0 1 4 3 3
0 0 9 1 0
0 0 0 0 0
R RR R
R R
R R
A
B
记为
