[Scip] Error importing QCP
Stefan Vigerske
stefan at math.hu-berlin.de
Mon Dec 7 23:11:25 MET 2009
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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