# Matthias Miltenberger

Gurobi Staff

Gurobi Optimization Support Manager - Berlin, Germany

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## Activity overview

Latest activity by Matthias Miltenberger
• Matthias Miltenberger commented,

Hmm, interesting. Until now, I have only seen cases with the plots not appearing despite selecting everything in the widget. I suppose this is a VSCode/Jupyter issue. We are using ipywidgets for th...

• Matthias Miltenberger commented,

Hi Henrik! The default behavior of $$\tt{glt.plot()}$$ is to wait until the "type" of plot is selected before actually drawing the plot. You can shortcut this by specifying the "type" right away wh...

• Matthias Miltenberger commented,

We will handle this in an internal ticket. A different license type needs to be used for such cases. Cheers,Matthias

• Matthias Miltenberger commented,

That's great to hear! Happy optimizing! Cheers,Matthias

• Matthias Miltenberger commented,

Yes, you can have multiple academic licenses. You just have to apply for a new one and register this for you WSL system. Please be aware of the hostID issue in WSL2 (new hostID after every reboot) ...

• Matthias Miltenberger commented,

That's correct. The barrier method (for LP and QP) does not support warm-starting. The Start attribute is mainly used for (mixed) integer models to provide a feasible solution quickly - it is not a...

• Matthias Miltenberger commented,

Hi Haxiang, I don't see why changing the objective at every iteration would be useful. Or do you regard one QP optimization run as one iteration in some larger context? Gurobi does not warm-start Q...

• Matthias Miltenberger commented,

Please refer to this section in our documentation about Logging. You just need to specify the LogFile parameter to write a dedicated log file for this optimization run. Consecutive runs will then b...

• Matthias Miltenberger commented,

I don't see a warning with VSCode. Maybe you should install Gurobi/gurobipy-stubs (github.com) to get the correct type hints? Providing a set of constraints or variables to the getAttr() method is ...

• Matthias Miltenberger commented,

Official comment

With the new Gurobi 10.0, you can also use WLS licenses in WSL2 without any issues. Cheers,Matthias