[Ipopt] Sparsity structure of the Hessian of the Lagrangian Function

[Stefan Vigerske]

Hi,

just a quick answer: no, it's not required.

Stefan

On 07/23/2012 05:02 PM, Antonello Lobianco wrote:
> Hello,
>   just a quick info: if someone choose to avoid the hessian calculation
> choosing the quasi-newton approach, is the sparsity structure of the
> Hessian of the Lagrangian function still required by IPOPT?
>
> Thanks,
>    Antonello
>
>
>
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