[Ipopt] huge inf_du values
Damien
damien at khubla.com
Mon Jan 30 09:28:36 EST 2017
All,
I'm solving an almost-linear base model with a couple of nonlinear
constraints and a nonlinear objective. It's not a particularly
difficult problem, around 60 equality constraints, and a Newton solver
solves the non-objective version of the problem in two iterations.
IPOPT has a terrible time with it though. I'm using limited-memory
Hessian and it wanders all over the place. I'm getting inf_du values of
6.3e58, which is a bit large. Anyone seen this before in their problems?
Damien
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