[Scip] Error importing QCP

[Michael Holzhauser]

Hah, that was too easy :)
I didn't know that SCIP supports ZIMPL models.
SCIP is bloody slow for my kind of problem, but now I'm wiser. Thank you 
very much!

--------------------------------------------------
From: "Stefan Vigerske" <stefan at math.hu-berlin.de>
Sent: Monday, December 07, 2009 11:11 PM
To: "Michael Holzhauser" <myself at michaelholzhauser.de>
Cc: <scip at zib.de>
Subject: Re: [Scip] Error importing QCP

> Hi,
>
> the LP reader of SCIP does not support quadratic constraints yet.
> If you have the model in ZIMPL, why you don't just run SCIP on this
> ZIMPL model? This ZIMPL reader supports quadratic constraints.
>
> Stefan
>
> Michael Holzhauser schrieb:
>> Hi,
>>
>> I used ZIMPL to translate a  quadratically constrained problem into CPLEX 
>> LP-format, which I wanted to import in SCIP.
>> The problem is, that SCIP shows in error admidst an variable so I guess 
>> either there is a bug or the error message is errornous.
>>
>> It says:
>>
>> Syntax error in line 30: expected sign ('+' or '-') or sense ('<' or '>') 
>> ('*')
>>   input:   + [ + B#1#1#1 * A#8#1 + B#1#1#1 * A#7#1 + B#1#1#1 * A#6#1 + 
>> B#1#1#1 *
>>  A#5#1 + B#1#1#1 * A#4#1 + B#1#1#1 * A#3#1 + B#1#1#1 * A#2#1 + B#1#1#1 * 
>> A#1#1 ]
>>
>>                                ^
>> [src/scip/reader_lp.c:2427] ERROR: Error <-16> in function call
>>
>>
>> The line looks like that:
>>   + [ + B#1#1#1 * A#8#1 + B#1#1#1 * A#7#1 + B#1#1#1 * A#6#1 + B#1#1#1 * 
>> A#5#1 + B#1#1#1 * A#4#1 + B#1#1#1 * A#3#1 + B#1#1#1 * A#2#1 + B#1#1#1 * 
>> A#1#1 ]
>>
>>
>>
>>
>> I hope you can help me, it is quite urgent for me to solve this problem.
>>
>> Thank you!
>>
>>
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>>
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