[SCIP] Question about relaxator

[ma214016 at math.kyushu-u.ac.jp]

Dear Tristan,

Thank you for your comments.
I write the code according to your comments.

Best regards,
Keiji Kimura

> Dear Kimura,
> 
> unfortunately SCIP currently does not store the relaxation solutions 
for 
> all nodes in the branch and bound tree (you can only get the most 
> current one). Therefore, you have to save the solution yourself. One 
> possibility to do so is to create a constraint which stores the 
solution 
> and enable "stickingatnode", so that it is kept at this node and not 
> made global, even if that would be possible. Also the constraint 
should 
> always return feasible, so that it does not influence the solving 
> process apart from storing the solution. If you later want to use a 
> warmstart, you can then fetch the corresponding constraint to extract 
> the needed data.
> 
> Best,
> Tristan
> 
> On 12/13/2015 09:01 PM, ma214016 at math.kyushu-u.ac.jp wrote:
> > Dear all,
> >
> > Hello, I am Kimura. Thank you for adding me to the mailing list.
> >
> > I have a question. I want to use a warmstart when my relaxator
> > solves convex NLPs. Please teach me how to call the relaxation
> > solution of the parent problem.
> >
> > Best regards,
> > Keiji Kimura
> >
> >
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