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<pre wrap="">Dear Pietro,
Thank you for answering.
Sorry I think I have confused by speaking abour AMPL. In fact I meant that when I wann to display the value of any parameter supposedly set in the file "couenne.opt", I get the message given as example. For some reason, I tought I can display any parameter set in ipopt.opt file using ampl command , for example:
display constr_viol_tol
Thank you again.
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<pre class="moz-signature" cols="72">
Best Regards
=====================
Choaib Bousba
Energy Systems Analysis Expert
Atos Origin - Energy & Utilities
Zirst - 36 Chemin du Vieux Chêne
B.P. 104 - 38243 MEYLAN Cedex - France
Tel :(+33) 4 76 41 67 37
Mob :(+33) 6 12 72 85 42
Fax :(+33) 4 76 90 47 08
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href="mailto:choaib.bousba@atosorigin.com">choaib.bousba@atosorigin.com</a>
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Today's Topics:
1. Re: about couenne.opt file (Pietro Belotti)
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Message: 1
Date: Wed, 05 Aug 2009 11:01:04 -0400
From: Pietro Belotti <a class="moz-txt-link-rfc2396E"
href="mailto:belotti@lehigh.edu"><belotti@lehigh.edu></a>
Subject: Re: [Couenne] about couenne.opt file
To: <a class="moz-txt-link-abbreviated"
href="mailto:couenne@list.coin-or.org">couenne@list.coin-or.org</a>
Message-ID: <a class="moz-txt-link-rfc2396E"
href="mailto:20090805110104.16255ulsp8zkbo34@imp6.cc.lehigh.edu"><20090805110104.16255ulsp8zkbo34@imp6.cc.lehigh.edu></a>
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Dear Choaib,
for now, all Couenne options can only be specified in the couenne.opt
file only, in the following format:
convexifying_print_level 0
If a couenne.opt file is placed as you say, there is no need to
specify those options again in AMPL.
Pietro
On 08/04/2009, Choaib Bousba <a class="moz-txt-link-rfc2396E"
href="mailto:choaib.bousba@atosorigin.com"><choaib.bousba@atosorigin.com></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Dear All,
I try to use couenne for the first time.
I use ampl to describe a small test problem found in couenne : a user's
manual (? 5 output of couenne).
I have installed the file couenne.opt in the same directory as
couenne.exe and ampl.exe (where I launch the execution of my test problem).
For some reason I try to found ou set the parameters such as :
boundtightening_print_level or convexifying_print_level , I get an
message such as ( please see the screenshot) :
ampl: option convexifying_print_level ;
option convexifying_print_level ''; #not defined
Could you please explain why I have such kind of message ?
Thank you in advance
--
Best Regards
=====================
Choaib Bousba
Energy Systems Analysis Expert
Atos Origin - Energy & Utilities
Zirst - 36 Chemin du Vieux Ch?ne
B.P. 104 - 38243 MEYLAN Cedex - France
Tel :(+33) 4 76 41 67 37
Mob :(+33) 6 12 72 85 42
Fax :(+33) 4 76 90 47 08
E-Mail : <a class="moz-txt-link-abbreviated"
href="mailto:choaib.bousba@atosorigin.com">choaib.bousba@atosorigin.com</a>
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