Julian Hall
What happens if you 'pip install highspy'?
I've downloaded your example, and it solves in no time from the command line - which is what you would also expect, given your comments. My only observation was that...
Thanks. Sorry I can't help, but it does sound like something at your end.
Thanks for this. I'll look at it in due course. Note that HiGHS has two sets of simplex linear algebra. In addition to `basiclu` (written for the interior point solver)...
`HFactor` uses triangularization followed by Markowitz for factorization, and then an efficient implementation of Forrest-Tomlin for basis update. `HFactor` isn't as simple as `basiclu`, as it's had a lot more...
My understanding is that messages like this indicate an error in presolve and/or postsolve. Specifically, the MIP solver is working on a presolved problem, but when it thinks that it...
I can't reproduce this behaviour with the latest version of HiGHS. What version are you using?
Thanks. There are very occasional bugs in the MIP solver that we will fix in due course. I will see whether this one is easy to fix
Fixed by #1499
> > Thanks. There are very occasional bugs in the MIP solver that we will fix in due course. I will see whether this one is easy to fix >...