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It may happen that the route set generated is empty although there are routes found without optimization. The reason is that the full optimization solves the LP relaxation which may result in fractional routes being assigned. They get rounded in the end but if all values are smaller than 0.5 no route is being generated. An easy solution would be randomized rounding.
The text was updated successfully, but these errors were encountered:
It may happen that the route set generated is empty although there are routes found without optimization. The reason is that the full optimization solves the LP relaxation which may result in fractional routes being assigned. They get rounded in the end but if all values are smaller than 0.5 no route is being generated. An easy solution would be randomized rounding.
The text was updated successfully, but these errors were encountered: