Thus, a relaxation of the constraint of an integer problem does not necessarily improve the solution, because the feasible region is discrete and not continuous.
因此，整型问题的约束放松并不一定会改进解决方案，因为可行域是离散的，而不是连续的。
2
This means that the feasible region consists of discrete points in space and, therefore, a relaxation in one of the constraints may or may not yield a better solution inside the new polyhedron.
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