Re: [Help-glpk] GLPK primal simplex never terminates but dual simplex solves it in seconds

[Andrew Makhorin]

> You could try to replace zero bounds by some non-zero value, say, by
> 1e-5 or even 1e-3,

More precisely, if the original variable x is non-negative (x >= 0),
its new, perturbed bound should be negative, for example, x >= -1e-3.