Get the reduced cost
AnsweredHello. How to get the reduced cost of the slack variable in the corresponding constraint when calling gurobi in python? Thank you.
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Gurobi Staff
This post is more than two 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 try Gurobot, our chatbot interface offering instant, expert-level support. -
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You might be looking for the article What are Attributes? In particular, you are probably looking for the RC variable attribute.
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Hello, the RC attribute in i query to gurobi may be what I need, but I haven't found the sample code of RC attribute. Could you show me a related example? Thank you very much.
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Please check out this section of our documentation: Attribute Examples - Optimizer Reference Manual - Gurobi Optimization
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I'm very sorry that I didn't find the relevant example. Could you help me show an example of RC attribute?
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The RC attribute is a variable attribute, i.e., it works the same way as, e.g., the LB attribute.
for v in model.getVars(): print(v.RC)
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Hello, I put the above code into my code, but there is a bug. What is the reason?
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The screenshot you provided is unfortunately not enough to understand the issue. Please provide a minimal reproducible example.
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How can I get the RC value mentioned in the figure below, where X and H are variables?
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Please refer to my comment in your other post.
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Thank you very much for your help.
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