[SciPy-user] fmin_tnc changes since scipy 0.6.0

Nils Wagner nwagner@iam.uni-stuttgart...
Fri Jun 20 11:49:00 CDT 2008


On Fri, 20 Jun 2008 18:44:32 +0200
  Yannick Copin <y.copin@ipnl.in2p3.fr> wrote:
> Hi,
> 
> I'm a bit puzzled: I had a code which worked fine using 
> scipy.optimize.fmin_tnc with scipy 0.5.2. Unfortunately, 
>since I upgraded 
> scipy to 0.6.0, I hit some convergence issues...
> 
> Does it ring a bell to somebody? I understand I'm a bit 
>vague for the moment 
> (I did not look for a simple test case yet), but maybe 
>somebody had this 
> experience too. Besides the reverted output order, was 
>there some significant 
> algorithmic changes in fmin_tnc between 0.5.2 and 0.6.0?
> 
> Cheers.
> -- 
>    .~.   Yannick COPIN  (o:>*  Doctus cum libro
>    /V\   Institut de physique nucleaire de Lyon (IN2P3 - 
>France)
>   // \\  Tel: (33/0) 472 431 968     AIM: YnCopin ICQ: 
>236931013
>  /(   )\ http://snovae.in2p3.fr/ycopin/
>   ^`~'^
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There is a new version of tnc (1.3) in svn

r2530 | jarrod.millman | 2007-01-11 07:19:21 +0100 (Do, 11 
Jan 2007) | 2 lines

initial check-in of tnc version 1.3

r3187 | dmitrey.kroshko | 2007-07-24 16:13:43 +0200 (Di, 
24 Jul 2007) | 2 lines

correct order of tnc return values + bugfix for tnc tests

  
Nils


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