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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: matrix operations in F2
Date: Sat, 7 Nov 2009 18:57:01 +0000 (UTC)
Organization: FOGALE nanotech
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"Joren Heit" <jorenheit@gmail.com> wrote in message <hd42o0$re0$1@fred.mathworks.com>...
> Not what I meant...
> I need to solve a set of equations like
> 
> | 1 1 0 0 |  | x1 |    | 1 |
> | 1 1 1 0 |  | x2 | = | 1 |
> | 0 1 1 1 |  | x3 |    | 1 |
> | 0 0 1 1 |  | x4 |    | 1 |
> 
> Under the conditions that 0-1=0 and 1+1=0, this results in
> x = (1 0 0 1)
> 
> Now I need to do this for very large matrices....
> 

I guess you have to write your own Gaussian pivoting, unless if there is such thing already on FEX.

This has been discussed here:
http://www.mathworks.com/matlabcentral/newsreader/view_thread/261760#684562

Bruno