(0 )2 1436587@9BAC9EDGF4HI 7P5QHRFTSVU0DXW6F4H

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CAPÍTULO 3.
A4
[A4 | I4] =
−−−−→
ℓ3 − ℓ4
−−−−−→
ℓ2 − 3ℓ2
−−−−−→
ℓ1 − 4ℓ4
−−−−−→
ℓ2 − 2ℓ3
−−−−−→
ℓ1 − 3ℓ3
−−−−−→
ℓ1 − 2ℓ2
1 2 3 4 |
0 1 2 3 |
0 0 1 2 |
0 0 0 1 |
1 2 3 4 |
0 1 2 3 |
0 0 1 0 |
0 0 0 1 |
1 2 3 4 |
0 1 2 0 |
0 0 1 0 |
0 0 0 1 |
1 2 3 0 |
0 1 2 0 |
0 0 1 0 |
0 0 0 1 |
1 2 3 0 |
0 1 0 0 |
0 0 1 0 |
0 0 0 1 |
1 2 0 0 |
0 1 0 0 |
0 0 1 0 |
0 0 0 1
1 0 0 0 |
0 1 0 0 |
0 0 1 0 |
0 0 0 1 |
1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
££¢ ¥§ ¥£ £¥¤ § ¥§ £ ¡ £¢¦£¦¥
1 0 0 0
0 1 0 0
0 0 1 −2
0 0 0 1
1 0 0 0
0 1 0 −3
0 0 1 −2
0 0 0 1
1 0 0 −4
0 1 0 −3
0 0 1 −2
0 0 0 1
1 0 0 −4
0 1 −2 1
0 0 1 −2
0 0 0 1
1 0 −3 2
0 1 −2 1
0 0 1 −2
0 0 0 1
1 −2 1 0
0 1 −2 1
0 0 1 −2
0 0 0 1
¡ ¨ ¨ ¡ A −1
4 =
1 α
0 1
1 α α2
Bα =
= I4 | A −1
4
1 −2 1 0
0 1 −2 1
0 0 1 −2
0 0 0 1
¡ ¨ ¨ £¢
Aα =
Cα =
0 1 α
0 0 1
1 α α2 α3 0 1 α α 2
0 0 1 α
0 0 0 1
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