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I am trying to load a CPLEX LP file in to CPLEX using the "read" command. I believe that in this problem, I have a set of constraints that are quadratic. But, from what I understand CPLEX will still attempt to solve quadratic programming problems.

However, when I try to read it in, I get this error:

CPLEX Error  1437: Line 284: Illegal quadratic constraint sense. 

Is there something special I need to do to read in a quadratic programming problem?

NOTE: I am able to load this LP file in to scip and solve it using: scip -f

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    Looks like a programming problem. Is there not a computing website where this question would be more clearly on-topic?2012-04-11
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    I can try stackoverflow, but I figured more math users would be likely to use cplex2012-04-11
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    This is pretty much off-topic.2012-10-25

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