[SciPy-user] Minimizing functions of two variables with fmin bfgs

Alan G Isaac aisaac at american.edu
Mon Nov 14 09:26:35 CST 2005

On Mon, 14 Nov 2005, Christian Kristukat apparently wrote: 
> Unfortunately the minimizers in scipy.optimize use 
> different input types.  fmin_bfgs needs that the 
> derivatives are returned as a scipy.array, however e.g.  
> fmin_tnc insists on recieving a python list.  Btw. the 
> minimizer will fail with your function as it doesn't have 
> a global minimum. 

Is this just historical accident?
On the face of it, any sequence should do.


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