Non-linear regression help in Python

[Krzysztof Bieniasz]

Dnia Mon, 14 Feb 2011 13:02:25 -0800, Akand Islam napisał(a):

> Hello all,
> I want to do non-linear regression by fitting the model (let say, y =
> a1*x+b1*x**2+c1*x**3/exp(d1*x**4)) where the parameter (say "c1") must
> be in between (0 to 1), and others can be of any values. How can I
> perform my job in python?
> 
> Thanks in advance.
> 
> -- Akand

http://docs.scipy.org/doc/scipy/reference/tutorial/optimize.html