Question

If you are given the rref of a matrix, and columns a1 and a2, how do you get back to the original matrix?

Answer 1

rref is on my ti83; but whats it do to the matrix?

Answer 2

reduced row echelon form ... ok

Answer 3

there is so much swapping and such that can go on in a matrix, i aint sure if you can get back to the original

Answer 4

i figured it out man thanks though