[SciPy-User] [SciPy-user] optimize fmin_cg parameter passing
Fri Apr 13 09:19:01 CDT 2012
On Fri, Apr 13, 2012 at 1:37 AM, aurora1625 <email@example.com> wrote:
> Hi, everyone
> I am new to Python and Scipy and I met a problem when trying to optimize a
> My problem is:
> my f function has several parameters(datatype:array), it's like
> f = \sum lambda_i * phi_i + \zeta *(exp(lambda_i + \nu_i))
> this function is about lambda, so i get
> fprime = \sum phi_i + \zeta *(exp(lambda_i + \nu_i))
> I want to pass in an initial lambda value, but how can I pass in other
> parameter, phi, zeta and nu.
> I guess my function is about lambda, and the other parameters should be
> constant and fixed, but I really don't know how to pass them in.
Use the args keyword for this. From the docstring of fmin_cg
args : tuple, optional
Extra arguments passed to f and fprime.
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