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From: "John D'Errico" <woodchips@rochester.rr.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: inverse matrix inv pinv linfactor ginv
Date: Sun, 4 Oct 2009 10:44:01 +0000 (UTC)
Organization: John D'Errico (1-3LEW5R)
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"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <ha9sh9$l13$1@fred.mathworks.com>...
> "John D'Errico" <woodchips@rochester.rr.com> wrote in message <ha9rl7$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

What is a little factor of 1e73 one way or the other among
friends anyway?

John