Re: Rational functions: a linear model?

Article View: sci.math.stat

Article #474

#474

From: Ayman I. Kayssi
Date: Sun, 11 Oct 1992 19:30

19 lines
1360 bytes

hrubin@pop.stat.purdue.edu (Herman Rubin) wrote:
>In article <1992Oct11.153538.12821@zip.eecs.umich.edu> ayman@eecs.umich.edu (Ayman I. Kayssi) writes:
>>y = a0 + a1*x + ... + am*x^m + b1*(-y)*x + b2*(-y)*x^2 + ... + bn*(-y)*x^n
>
>If you are trying a regression on your transformed equation, the estimates
>will not even be consistent because of dependent variables on the right side.


TableCurve (from Jandel) lists the following form under *linear* equations:
    
    a + c x + e x^2 + ...
y = ---------------------
    1 + b x + d x^2 + ...

How do they (non-iteratively) calculate the parameters?
--
Ayman I. Kayssi                               |    ayman@eecs.umich.edu
EECS Department                               +------------------------
University of Michigan                        |          (313) 764-8033

Technical Details

Message-ID: <1992Oct11.192921.22075@zip.eecs.umich.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!darwin.sura.net!spool.mu.edu!umn.edu!umeecs!eecs.umich.edu!ayman

References: <1992Oct11.153538.12821@zip.eecs.umich.edu> <BvyzDy.LJC@mentor.cc.purdue.edu>

Show Full Headers

Complete Article Headers

Newsgroups: sci.math.stat
Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!darwin.sura.net!spool.mu.edu!umn.edu!umeecs!eecs.umich.edu!ayman
From: ayman@eecs.umich.edu (Ayman I. Kayssi)
Subject: Re: Rational functions: a linear model?
Message-ID: <1992Oct11.192921.22075@zip.eecs.umich.edu>
Lines: 19
Sender: news@zip.eecs.umich.edu (Mr. News)
Organization: ACAL, EECS, University of Michigan, Ann Arbor
References: <1992Oct11.153538.12821@zip.eecs.umich.edu> <BvyzDy.LJC@mentor.cc.purdue.edu>
Date: Sun, 11 Oct 1992 19:30:15 GMT

Reply to Parent Message