[Trilinos-Users] [Trilinos-Bugs] Request of information
Michele De Stefano
mstefano at milan.westerngeco.slb.com
Mon Sep 8 09:05:46 MDT 2008
Thank you again.
Michele
Bartlett, Roscoe A wrote:
> Michele,
>
> The MOOCHO package (Trilinos/packages/moocho) can solve general non-convex nonlinear unconstrained optimization problems using a BFGS line-search method. I think the general optimization community believes that BFGS is more robust and more efficient than nonlinear CG in general anyway. There are several examples in MOOCHO for unconstrained problems.
>
> Cheers,
>
> - Ross
>
>
>> -----Original Message-----
>> From: trilinos-users-bounces at software.sandia.gov
>> [mailto:trilinos-users-bounces at software.sandia.gov] On Behalf
>> Of James Willenbring
>> Sent: Monday, September 08, 2008 7:57 AM
>> To: 'Michele De Stefano'; trilinos-users at software.sandia.gov
>> Subject: Re: [Trilinos-Users] [Trilinos-Bugs] Request of information
>>
>> Moving this question to a more appropriate mail list.
>>
>> Please comment.
>>
>> -----Original Message-----
>> From: trilinos-bugs-bounces at software.sandia.gov
>> [mailto:trilinos-bugs-bounces at software.sandia.gov] On Behalf
>> Of Michele De Stefano
>> Sent: Monday, September 08, 2008 4:51 AM
>> To: trilinos Bug Report
>> Subject: [Trilinos-Bugs] Request of information
>>
>> Good morning.
>>
>> After reading the Trilinos documentation and tutorial I've
>> not yet understood if Trilinos contains a package for
>> non-linear, unconstrained optimization.
>>
>> May you clarify on this, please ?
>>
>> Is there a package that is able to perform, for example, a
>> Non-Linear Conjugate Gradients algorithm ?
>>
>> If the answer is yes, could you tell me which is this package ?
>>
>> Thank you very much.
>> Michele
>>
>> --
>> Michele De Stefano
>> Research Geophysicist,
>> WesternGeco-Geosystem,
>> Via Clericetti 42/A,
>> 20133, MILANO - ITALY
>> TEL: +39 02 266279232
>> FAX: +39 02 266279279
>> e-mail: mstefano at milan.westerngeco.slb.com
>>
>>
>>
>> Schlumberger Private
>>
>>
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>
>
--
Michele De Stefano
Research Geophysicist,
WesternGeco-Geosystem,
Via Clericetti 42/A,
20133, MILANO - ITALY
TEL: +39 02 266279232
FAX: +39 02 266279279
e-mail: mstefano at milan.westerngeco.slb.com
Schlumberger Private
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