Re: lsqnonlin?

[Søren Hauberg]

Hi,
  I answered an offlist mail form you a couple of hours ago, but here's 
one for the entire list.
  I ended up using the software from http://www2.imm.dtu.dk/~hbn/Software/

There are two issues with this package and octave:
  1) Octave doesn't have the rcond function. I made a simple version:
function a = rcond(b)
  a = 1/cond(b);
endfunction
  2) Octave doesn't load functions in "private" directories. The 
solution is to add these directories manually using "addpath".

Otherwise, the functions work like a charm.

Søren

skenny skrev:
> hi,
>
> i am also trying to run a program (in octave) that uses lsqnonlin and have
> had a hard time fiinding a way to do it. i'm wondering if anyone has
> actually tried to run this levmar program within octave? or if anyone has
> found another way of doing it (?)
>
> thanks!
> sarah
>
>
>
> Bill Denney wrote:
> > On Wed, 18 Oct 2006, Søren Hauberg wrote:
> >
> > >   Does anything like matlabs lsqnonlin exist for octave? lsqnonlin is a 
> > > minimization method that uses Levenberg-Marquardt (LM). In octave-forge 
> > > we have leasqr which is a regression method that uses LM. Can I somehow 
> > > use that function as a replacement for lsqnonlin? (If so, how?)
> > You may want to check out http://www.ics.forth.gr/~lourakis/levmar/ which 
> > has a GPL'd version of the algorithm available.
> >
> > Bill
> >
> > --
> > "We're developing space based weapons. But watch out. Bin Ladin is
> > developing Ewoks."
> >    -- PsiPsiStar on Slashdot
> >
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