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Re: polyfit weirdness
From: |
Etienne Grossmann |
Subject: |
Re: polyfit weirdness |
Date: |
Tue, 11 Feb 2003 17:58:11 +0000 |
User-agent: |
Mutt/1.3.28i |
On Tue, Feb 11, 2003 at 06:08:55PM +0100, Miquel Cabanas wrote:
# hi,
#
# On Tue, Feb 11, 2003 at 10:25:12AM -0600, Scott Lamb wrote:
# > Etienne Grossmann wrote:
# > > A problem with order of magnitude of f1 and floating-point
# > > limitations?
# > >
# > >cv1 =
# > > 0.66528 0.79417 1.37189 1.59260 1.92606
# > >
# > > Is that more like what you expected?
# >
# > Yes, it is, thanks.
# >
# > I'm a little disappointed Octave has this problem; I'd assumed
# > it would be using gmp or something for arbitrary precision.
# > Oh well.
#
# your example works perfectly well on my PC running GNU/Debian
# 3.0r1 as you wrote it, i.e. without scaling f1 as Etienne
# suggested. Thus, I would say this is not a problem of Octave
# itself, but probably a problem of the particular version you're
# running.
#
# Which OS, platform and Octave version are you using? Did you
# compile it yourself? If not, where did you get it from?
Plain 2.1.44 compiled here, Debian Woody, Linux 2.2.15 kernel, PII.
# Miquel
#
# --
# Miquel E Cabanas ------------------------------------------------------
# SeRMN, Universitat Autonoma de Barcelona (address@hidden)
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#
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--
Etienne Grossmann ------ http://www.isr.ist.utl.pt/~etienne
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-------------------------------------------------------------
Re: polyfit weirdness, Miquel Cabanas, 2003/02/12