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Re: [Help-glpk] non-official updated version of glpk (4.62 pre-release)


From: Andrew Makhorin
Subject: Re: [Help-glpk] non-official updated version of glpk (4.62 pre-release)
Date: Fri, 02 Jun 2017 16:34:39 +0300

> > and ii) in the dual simplex perturbation should be disabled.
> 
> I don't understand the reason for this.
> 

Just to avoid the similar situation when removing perturbation of obj.
coefficients results in non-optimal (i.e. dual infeasible) solution.





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