高等代数1

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2.(25)FnVα,α,,α
12n
??
?a100
1
?.?
.
..
.
??a01.?
2
??
..
..
??
....
A=.AV
..
..0
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..
.
...
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.
..1
?a00
n
A(2003
)
3.(12)
(1)n×nA,B,ABAB
(2)AnVVKerA+
ImA.(2001)
4.(10)A,A
(2005)
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211100
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5.(10)?101110
001011
(2007)
6.(5)(
2008)
()
7