Non-linear regression help in Python

Akand Islam sohel807 at
Mon Feb 14 22:02:25 CET 2011

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

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