Mathematics
Undergraduate
みなさんなら(2)の問題をどのように行列変形していきますか？
問題 B7-5 (標準) 次の行列の階数 (ランク) を求めよ.
(1)
ba
aba
a
a a b
a
a-1 a-1 1 a+1
-
2 a 1 1
1
a+1
(2)
3
1
a
1
3
31
2
a 1 2a-1
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