Subtour Elimination Bedingung ∑i∈S∑j∈Sxij≤∣S∣−1,S⊂N,2≤∣S∣≤n−1\sum_{i \in S} \sum_{j \in S} x_{i j} \leq|S|-1, \quad S \subset N, 2 \leq|S| \leq n-1i∈S∑j∈S∑xij≤∣S∣−1,S⊂N,2≤∣S∣≤n−1