::The claim is still false. Look at the counter example. [[User:Tom Lougheed|Tom Lougheed]] 01:27, 12 August 2007 (UTC)
:::youthe e.garticle says Gauss matrix only have 1 non-zero column below the diagonal. isprobably notyou Gaussdidn't see that. readfor those matrices the articleclaim holds trivially. [[User:Mct mht|Mct mht]] 01:2834, 12 August 2007 (UTC)
:::ok, we got off on the wrong foot here. the article says Gauss matrix only have 1 non-zero column below the diagonal. probably you didn't see that. for those matrices the claim holds trivially. [[User:Mct mht|Mct mht]] 01:34, 12 August 2007 (UTC)