[SciPy-user] Scipy Minimizer

Robert Kern robert.kern at gmail.com
Wed Oct 4 14:48:47 CDT 2006


joe stano wrote:
> Thanks xiaojian
> 
> I think solver uses a generalized reduced gradient optimization.  My 
> biggest problem is that the scipy optimizer constraint functions require 
> the constraint to return a single number, whereas I need to return a 
> list of numbers, all meeting the constraint (non negative).  Maybe it is 
> just my implementation but I am not sure. 

fmin_cobyla takes a list of constraint functions. Take your single function that 
returns multiple numbers and make separate functions each returning one number.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco


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