[Ipopt] access violation error

[Anthony D. Kelman]

Ipopt is an interior point solver. If you want active set or SQP you should
use a different solver.

Without code to reproduce your problem, it's unlikely anyone will be able
to help. Have you tried running in a debugger?

On Aug 26, 2016 9:03 AM, "Bilal Nasser" <Bilal.Nasser at nottingham.ac.uk>
wrote:

> Hi,
>
> Any help on the below.
>
> Why the access violation happens when changing the options parameters?
>
>
>
> Thanks,
>
> Bilal
>
>
>
> *From:* Ipopt [mailto:ipopt-bounces at coin-or.org] *On Behalf Of *Bilal
> Nasser
> *Sent:* 15 August 2016 10:37
> *To:* ipopt at list.coin-or.org
> *Subject:* [Ipopt] access violation error
>
>
>
> Hi,
>
>
>
> I am receiving different results in the Ipopt c++ from the Matlab
> optimiser.
>
> I tried to modify the options in order to reduce the tolerance and make it
>  adaptive, but it is throwing a System.AccessViolationException error
>
>
>
> app->Options()->SetNumericValue("tol", 1e-7);
>
> app->Options()->SetStringValue("mu_strategy", "adaptive");
>
>
>
> Also, is there an option to define the algorithm to be ‘active-set’ or
> ‘SQP’?
>
>
>
> I am using the latest generated dll Ipopt-3.11.0 from the site.
>
>
>
> Thanks for your help,
>
> Bilal
>
>
>
>
>
>
>
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