[Ipopt] Does Ipopt guarantee x to be within lower and upper bounds?

[Stefan Vigerske]

Hi,

that's no bug, that's a feature.
There is an option to disable this:
http://www.coin-or.org/Ipopt/documentation/node43.html#SECTION000114010000000000000

Stefan

On 07/14/2013 04:54 AM, Peng Yu wrote:
> Hi,
>
> I tried Ipopt with only lower and upper bounds but not other
> constraints (with hessian). But it seems that objective function (or
> gradient) can be evaluated a little bit outside the bound. Does
> anybody see the same behavior? Is this a bug that should be fixed?
> Thanks.
>