Question

determine a matriz a = (aij)3x3 tal que aij = i – j

Answer 1

Ola Manu

A(1,1) = 0
A(1,2) = -1
A(1,3) = -2

A(2,1) = 1
A(2,2) = 0
A(2,3) = -1

A(3,1) = 2
A(3,2) = 1
A(3,3) = 0