[SCIP] About Reoptimization

[Gerald Gamrath]

Dear William,

did you check http://scip.zib.de/doc-5.0.0/html/REOPT.php ?

Concerning SCIPchgVarObj and SCIPchgReoptObjective, the latter is 
particularly for the use during reoptimization applications. The former 
is for model creation or used during presolving, but cannot be called 
anymore after solving unless you free the complete transformed problem, 
which you do not want to do during reoptimization.

Best,
Gerald

On 29.12.2017 14:21, Jianan Zhang wrote:
> And what is the difference between the function SCIPchgVarObj() and 
> function SCIPchgReoptObjective(), can I use the prior function to 
> change the objective value and then reoptimization?
>
> 2017-12-29 21:05 GMT+08:00 Jianan Zhang <william.jn.zhang at gmail.com 
> <mailto:william.jn.zhang at gmail.com>>:
>
>     Hi all,
>
>     I need to use the reoptimization feature of the scip, but I hard
>     to get the idea when I study the api of reoptimization.
>
>     So, would you please give me a whole view of reoptimization api
>     designing, and help me to use the reoptimization feature.
>
>     Thank you!
>
>     William
>
>
>
>
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