[Cbc] Solution file format

Bjørn Sigurd Johansen (Spider Solutions AS) bjorn.sigurd.johansen at spidersolutions.no
Wed Nov 8 13:50:42 EST 2017


Hi Haroldo,



With 'repeated names' you mean that I have defined the same variable twice in my model file.  I.e.

V0 FREE

V1 FREE

V1 FREE

where V1 is defined twice?



- Bjorn





-----Original Message-----
From: Cbc [mailto:cbc-bounces at coin-or.org] On Behalf Of Haroldo Gambini Santos
Sent: onsdag 8. november 2017 19:37
To: cbc at list.coin-or.org
Subject: Re: [Cbc] Solution file format



Hi,



This normally happens when you insert variables with repeated names.

Cbc replaces these names with generic "x" names.





[]'s



Em qua, 2017-11-08 às 18:29 +0000, Bjørn Sigurd Johansen (Spider Solutions AS) escreveu:

> Hi,

>

> Normally, I get solution file having format like:

> Stopped on time - objective value 127.80312680

>     190 S435                   1               -136.8498

>     192 S437                   1                   120.6

>     705 M0           0.074734827                       0

>     706 M1             0.2417554                       0

>    1084 B1102                  1                       0

> 2. column are variables defined by me, and 3. column are the solution

> values for my variables

>

> However, now I get solution file having format like:

> Optimal (within gap tolerance) - objective value 1052.83430000

>     114 x114                   2                  15.744

>     180 x180                   3                  5.0475

>     202 x202                  19                41.58125

>     211 x211                   1                  45.604

>     324 x324                   8                   3.645

>     403 x403                   2                   14.22

>     438 x438                   1                     100

>

> Where do the "x" prefixes some from?  (I do not have any variables in

> my model prefixed with an "x").  Looks like I get a solution, but none

> of my variables are included in the solution file.

>

>

>

> Regards,

> Bjorn

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--

=============================================================

Haroldo Gambini Santos

Computing Department

Universidade Federal de Ouro Preto - UFOP

email: haroldo [at ] iceb.ufop.br

home/research page: www.decom.ufop.br/haroldo<http://www.decom.ufop.br/haroldo>





It has long been an axiom of mine that the little things are

infinitely the most important.

-- Sir Arthur Conan Doyle, "A Case of Identity"

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