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From: "arnold szilagyi" <john.doe.nospam@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: underdetermined linear equation system
Date: Mon, 12 Oct 2009 17:34:20 +0000 (UTC)
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"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <hav5cs$beq$1@fred.mathworks.com>...
> "arnold szilagyi" <john.doe.nospam@mathworks.com> wrote in message <hav1qg$mh7$1@fred.mathworks.com>...
> 
> 
> > 
> > but I tried and it gives me zeros.
> 
> Your A matrix is rank 12 and B is not in Image A. So there is never a x such that A*x=B. Garbage in garbage out.
> 
> Bruno

can you explain me this this, please?

I can not work it out, even if I reduce the rank of A?

thank you
arnold