Mi primera revista PROGRMACION FINAL PORTAFOLIO | Page 19

EJEMPLO 2 :
1
0
2
A = [
−1
2
3]
0
1
2
3∗3
1 0 2 1 0 0 A −1 = [ −1 2 3|
0 1 0] 0 1 2 0 0 1
1
0
2
1
0
0
A −1 = [
0
2
5|
1
1
0]
0
1
2
−1
0
1
1
0
2
A −1
0 =
[
0
1
0
5
2
− 1
|
2
1
0
0
1
2
1
2
0
− 1 2 − 1
2 1 ]
1 0 0 −1 −2 4 A −1 = [ 0 1 0|
−2 −2 5 ] 0 0 1 1 1 −2
RESPUESTA
−1
−2
4
A = [
−2
−2
5
]
1
1
−2
3∗3
COMPROBACIÓN
1
0
2
A = [
−1
2
3]
0
1
2
3∗3
−1
−2
4
A = [
−2
−2
5
]
1
1
−2
3∗3
( −1 + 0 + 2 )
( −2 + 0 + 2 )
( 4 + 0 − 4
A ∗ A −1 = [
( 1 − 4 + 3 )
( 2 − 4 + 3 )
( −4 + 10 − 6
)]
( 0 − 2 + 2 )
( 0 − 2 + 2 )
( 0 + 5 − 4 )
RESPUESTA
1
0
0
A ∗ A −1 = [
0
1
0]
0
0
1
3∗3
3∗3
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