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Re: polyfit weirdness
From: |
Miquel Cabanas |
Subject: |
Re: polyfit weirdness |
Date: |
Fri, 14 Feb 2003 09:53:59 +0100 |
User-agent: |
Mutt/1.3.28i |
hi,
On Thu, Feb 13, 2003 at 02:49:27PM -0800, Henry F. Mollet wrote:
> Your commands produced exactly what Miguel calculated a little
> differently. I'm using GNU Octave, version 2.1.35
> (powerpc-apple-darwin6.2). But please tell me if I'm fitting a
> polynomial of order 1 (= straight line) thru the data
yes, you are
> and that my intercept (-1.49) and slope (4.2-15) appear in the
> wrong order?
no, they are ok. Check the code in polyfit and you will see
that it uses flipupd () to reverse the order of the rows.
Miquel
--
Miquel E Cabanas ------------------------------------------------------
SeRMN, Universitat Autonoma de Barcelona (address@hidden)
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Re: polyfit weirdness, Miquel Cabanas, 2003/02/12