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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: inverse matrix inv pinv linfactor ginv
Date: Sun, 4 Oct 2009 10:14:01 +0000 (UTC)
Organization: FOGALE nanotech
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"John D'Errico" <woodchips@rochester.rr.com> wrote in message <ha9rl7$gej$1@fred.mathworks.com>...

> 
> Only now should you rescale b to compensate for the
> prior scaling of x.
> 
> format long g
> b(2) = b(2) * 1e73
> b =
>           4.93457076016252


Of course, John meant divided b(2) is a correct rescaling.

Bruno