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Re: Re: exponential fitting


From: grundmann
Subject: Re: Re: exponential fitting
Date: Wed, 4 Sep 2002 16:41:39 +0200

Fine. It's working now, thanks a lot.

expfit is nice, really. the only two problems are:
1.) the data is shifted very often, that's why I need the 'c' {y=a*exp(b*x)+c}. 
2.) expfit doesn't calculate the R^2 for me.
maybe I get rid of these, but if you have already a solution - just tell me.


j.g.




On Wed, 4 Sep 2002 09:15:32 -0400
Paul Kienzle <address@hidden> wrote:

> On Wed, Sep 04, 2002 at 08:25:24AM +0200, address@hidden wrote:
> > first of all: thank you.
> > 
> > second: I decided to install octave-forge, because it seems to include some 
> > nice funktions, e.g. leasqr.m. But when I try to compile it with make, I 
> > get the following mistake:
> 
> <snip>
> 
> > any idea about it?
> 
> The real answer is that kron was added directly to octave for the 2.1.36 
> release,
> so modify FIXES/Makefile and remove kron.oct from the PROGS line.
> 
> I've removed the ^M from the ends of the lines, so the version on CVS should 
> now
> compile for you.  I don't know why my version of g++ doesn't complain.  Let me
> know if you have any other build problems.
> 
> > 
> > so I will try out leasqr.m now. 
> > I'm not shure about exfit, because I don't want to have the sum. I need the 
> > 'b' of y=a*exp(b*x). But I will try it anyway.
> 
> So it will run faster for you.  Is that a problem?  ;-)
> 
> > 
> > j. grundmann
> > 
> > 
> > 
> > -------------------------------------------------------------
> > Octave is freely available under the terms of the GNU GPL.
> > 
> > Octave's home on the web:  http://www.octave.org
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> > -------------------------------------------------------------
> > 
> 



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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
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