[SCIP] How to obtain the dual prices of the cuts/rows added by my own constraint handler in the pricing subproblem?

Gerald Gamrath gamrath at zib.de
Tue Apr 26 22:42:34 CEST 2016


Dear Feng,

I would suggest to call SCIProwGetDualsol() within the PRICERREDCOST 
callback of your pricer, update the pricing problem, and solve it.

Best,
Gerald

Am 24.04.2016 um 18:31 schrieb Feng Gao:
> Hello All,
>
> I want to obtain the dual prices of the cuts/rows added by my own 
> constraint handler in the pricing subproblem. I see that someone had 
> discussed about a similar topic. They suggest to use 
> SCIProwGetDualsol(). However, the specific location or callback in 
> which SCIProwGetDualsol() can be invoked is not disclosed.
>
> If I want to obtain the dual prices and use them in the pricing 
> subproblem, where exactly should I invoke SCIProwGetDualsol()?
>
> Any help is greatly appreciated.
>
> Best regards,
>
> Feng
>
>
>
>
>
>
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