Re: [Help-gsl] Nonlinear least-square-fitting parameter domain

[Patrick Alken]

On Wed, Feb 21, 2007 at 08:03:07AM -0700, Patrick Alken wrote:
> On Tue, Feb 20, 2007 at 01:44:09AM -0300, Ricardo Zapata wrote:
> > Hi,
> > 
> > Is there any way to give the parameters' range to the solver for 
> > nonlinear square-fitting? I need my parameters to be > 0. I used 
> > GSL_EDOM in my functions (f and df), but this makes the program to abort 
> > instead of trying a new parameter value.
> 
> One way I've used in the past is to add a large value to the error
> if your params are > 0.

errr... < 0..