I got it to

(2 -1 3 1 1)

(0 0 1 1 2)

and I don't know what to do from there : /

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- Aug 15th 2009, 07:19 PMthomasashcroftI simply cannot do this Gauss elimination question

I got it to

(2 -1 3 1 1)

(0 0 1 1 2)

and I don't know what to do from there : / - Aug 15th 2009, 07:51 PMmr fantastic
- Aug 15th 2009, 07:52 PMthomasashcroft
- Aug 15th 2009, 08:02 PMmr fantastic
Why do you think that? Of course it is.

PlanetMath: reduced row echelon form - Aug 15th 2009, 08:06 PMthomasashcroft
Well all I would have to do is multiply the first row by 1/2 which would leave me with 1 - 0.5 1.5 0.5 0.5 in the first row.. and then it'd be in r.r.e.f. But how does that help me see that y should be arbitrary?

- Aug 15th 2009, 11:30 PMmr fantastic
- Aug 16th 2009, 11:43 AMCaptainBlack