[Scipy-tickets] [SciPy] #734: errors in fmin_bfgs and some improvements

SciPy Trac scipy-tickets@scipy....
Wed Apr 13 15:06:37 CDT 2011


#734: errors in fmin_bfgs and some improvements
----------------------------+-----------------------------------------------
 Reporter:  jgarcke         |       Owner:  cdavid      
     Type:  defect          |      Status:  needs_review
 Priority:  normal          |   Milestone:  0.9.0       
Component:  scipy.optimize  |     Version:  0.5.2       
 Keywords:                  |  
----------------------------+-----------------------------------------------
Changes (by nils):

 * cc: nwagner@… (added)


Comment:

 {{{
 Different optimizers expect different types of arrays, e.g. bfgs expects
 1-d array for the initial guess, func and fprime. fmin_ncg works well with
 0-d arrays. Is is possible to fix this inconsistent behaviour ?
 }}}

-- 
Ticket URL: <http://projects.scipy.org/scipy/ticket/734#comment:6>
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