I'm building LP model in the hope to test the speed with different methods.
Therefore, after creating a new model, I set the method attribute using the code below.
GRBnewmodel(LPenv, &LPmodel, "LP", 0, NULL, NULL, NULL, NULL, NULL);
error = GRBsetintattr(LPmodel, "Method", 0);
if (error) printf("Error in setting LP method.\n");
However, it keeps showing the error message.
Can anyone advise me where is the problem?
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