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AMPL with ODBC to NEOS: question?

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Liz

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Mar 25, 2004, 1:32:12 PM3/25/04
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Dear all,

Can anybody tell me wether it is possible or not to upload an AMPL model to
NEOS that reads it's information from an Excel-file? I used this ODBC
feature because it's very handy when solving models with a large amount of
data. If that however is not possible, should I manually enter all my
information then? Or are there any other solutions?

Thanks a lot for your answer.
Kind regards,
Liz


Arnold Neumaier

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Mar 25, 2004, 2:24:08 PM3/25/04
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I think this is a question to ask the NEOS staff.
Because if it is not possible now, they might make it possible...

Arnold Neumaier


Martin Shell

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Mar 25, 2004, 5:35:41 PM3/25/04
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Liz,

I don't know AMPL, but I would think you could get use AMPL to write out
the model as an MPS file, which should be usable by NEOS.

good luck

Liz

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Mar 26, 2004, 5:12:02 AM3/26/04
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Thank you for your answers.

I asked NEOS and they provided me very quickly with the following answer (in
case someone else can use this):


> This can be done, but only via the Kestrel interface
> (http://www-neos.mcs.anl.gov/neos/kestrel.html). Using Kestrel, you run
> AMPL and its ODBC handler locally, while sending just the optimization
> problems to be solved via NEOS; see www.ampl.com/REMOTE/#localAMPL for
> further information. Note that this arrangement requires you to be
running
> a local copy of AMPL; it can't make use of the AMPL processors that run on
> the remote NEOS workstations.

Thank you Robert from Neos!

Regards,
L.


"Liz" <lieselot_v...@hotmail.com> wrote in message
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