Federico Zenith <[EMAIL PROTECTED]> writes:
> How to I tell LM to stay away from the negative domain? You could use squared parameters, i.e. if want to determine 'a' in exp(-a*x) for strictly positive a, you could instead use a = b*b and determine b. This guarantees that a = b*b is >= 0. Of course the _df evaluations become slightly more involved in this way. Good luck Joakim -- Joakim Hove hove AT ift uib no Tlf: +47 (55 5)8 27 90 Fax: +47 (55 5)8 94 40 http://www.ift.uib.no/~hove/ _______________________________________________ Help-gsl mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-gsl
