我有一个约束要用pythonapi在Gurobi中实现。B和A是决策变量。 约束定义为: 相关代码如下所示:
for r in R:
for (u, v) in R[r][1][0]:
for x in X:
sfcModel.addConstr(
quicksum(B[r-1, u, v, x, y]*A[r-1, u, x]*A[r-1, v, y] for y in X and y!=x ) == 1 ,"src_constraint")
获取此错误消息:
Traceback (most recent call last):
File "/home/project/ilp.py", line 400, in <module>
quicksum(B[r-1, u, v, x, y] for y in X and y!=x ) == 1 ,"src_constraint"
TypeError: 'bool' object is not iterable
有人能帮我修吗? 谢谢
目前没有回答
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