Given the following vector X, find a non-zero square matrix A such that AX=0:

Question

X=[2 -5 3]^T

Im not sure how i would find the sqare matrix a?

Answer 1

2 A11 -5 A12 + 3 A13 = 0
1 1 1 can be the top row :)
ah, the others too :)

| 1 1 1 | |+2| |0|
| 1 1 1 |*|-5|=|0|
| 1 1 1 | |+3| |0|