Re: error estimation in a non-linear least squares fitting

2008-10-29 Thread Evelien
Ok, then I have to look into scipy.odr to see how it can help me move forward. Thanks Robert! Evelien -- http://mail.python.org/mailman/listinfo/python-list

Re: error estimation in a non-linear least squares fitting

2008-10-22 Thread Robert Kern
Evelien wrote: Thanks Robert for your reply. I must say I am kind of disappointed if that is the only solution. I thought that such a standard problem as least squares fitting, would always give you an estimation of the error bars, without having to look up how you can convert a covariance matrix

Re: error estimation in a non-linear least squares fitting

2008-10-22 Thread Evelien
Thanks Robert for your reply. I must say I am kind of disappointed if that is the only solution. I thought that such a standard problem as least squares fitting, would always give you an estimation of the error bars, without having to look up how you can convert a covariance matrix into error bars.

Re: error estimation in a non-linear least squares fitting

2008-10-15 Thread Robert Kern
Evelien wrote: Dear python-users, I am trying to do a non-linear least squares fitting. Maybe trying is not the best word, as I already succeeded in that. At the moment I am using leastSquaresFit from Scientific Python. I know of other least squares routines, such as the one in scipy.optimize an

error estimation in a non-linear least squares fitting

2008-10-15 Thread Evelien
Dear python-users, I am trying to do a non-linear least squares fitting. Maybe trying is not the best word, as I already succeeded in that. At the moment I am using leastSquaresFit from Scientific Python. I know of other least squares routines, such as the one in scipy.optimize and I believe there