[理工] [矩陣]-G(A)
1 2 2 100
A = [ 1 2 -1 ] 求A
-1 1 4
→ λ = 1 3 3
最小多項式m(x)=(x-1)(x-3)
A
100 100
→ A = αA + βI 這裡我看不懂了，怎麼能令A 為這樣
→ 1 = α + β
100
3 = 3α + β
解出αβ
非常感謝
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