Determine a matriz A = (aij)3x3
tal que aij = i – j.Construa as seguintes matrizes:A = (aij)3x3 tal que aij = B = (bij)3x3 tal que bij =
tal que aij = i – j.Construa as seguintes matrizes:A = (aij)3x3 tal que aij = B = (bij)3x3 tal que bij =
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(a21 a22 23)
(a31 a32 a33)
A= I - J (1-1 = 0) , ( 1-2 = -1) , (1-3 = -2)
(2-1 = 1) , (2-2 = 0) , (2-3 = -1)
(3-1 = 2) , (3-2 = 1) , (3-3 = 0)
A= ( 0 -1 -2 )
( 1 0 -1 )
( 2 1 0 )
B=
| 11 12 13 |
| 21 22 23 |
| 31 32 33 |
| 1 3 3 |
| -2 1 3 |
| -2 -2 1|