Question

Let A = (1 0 2 -1 2 4) and J = (1 0 0 0...

Let A = (1 0 2 -1 2 4) and J = (1 0 0 0 1 0)    A and J are 3*2 matrices.

1. Find elementary matrices E1,...,Ep,G1,...,Gq so that E1···EpAG1···Gq = J

2. Find elementary matrices E'1,...,E'p,G'1,...,G'q so that E'1···E'pJG'1···G'q = A

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Answer #1

Note that elementary matrices are square matrices used to apply elementary row operations or column operations,

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