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[Help-gsl] Nonlinear Least-Squares Fitting
From: |
Marcelo Vargas dos Santos |
Subject: |
[Help-gsl] Nonlinear Least-Squares Fitting |
Date: |
Tue, 12 Jul 2011 15:35:37 -0300 |
Hi, I'm a Msc Student and i'm using the gsl to develop a program of
statistical analisys. There are some numeriacl routines to Nonlinear
Least-Squares Fitting which i can use to constrais parameters using a
functions like:
f_i = (Y(x, t_i) - y_i) / \sigma_i
and a Jacobian:
J_{ij} =(1 / \sigma_i) d Y_i / d x_j
but I need to constrain a funcion which \sigma_i depends on some free
parameters to, how can I use this routines in this case?
Thanks for your atention
--
Marcelo Vargas dos Santos
Mestrando
Sala A 318-05
Tel.: (21) 2562-7276
E-mails: address@hidden, address@hidden
Departamento de Física Matemática
Instituto de Física
Universidade Federal do Rio de Janeiro
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