model.addConstr() does not work?

回答済み

Jozsef Janosik

2019年12月18日 15:33

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Hii

does anybody know why this code gives

Error code = 20001
Not in the model

message ?

 

GRBVar v1, v2;

v1 = model.addVar(-10, 10, 0, GRB_CONTINUOUS);
model.addGenConstrAbs(v2, v1);

 

0

• 正式なコメント

  

  Simranjit Kaur

  • Gurobi Staff

  2024年12月06日 00:51

  This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum. Or why not try our AI Gurobot?.
• 

  Eli Towle

  • Gurobi Staff

  2019年12月18日 17:36

  Hi Jozsef,

  Before adding a constraint that includes v2, can you try first adding v2 to the model with the GRBModel.addVar() method (like you do with v1)? You declare v2 to be of type GRBVar, but it is not defined for any particular model.

  Thanks!

  Eli

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