[Ipopt] Suitability of IPOPT for bundle adjustment problems in open source computer vision

Sebastian Nowozin nowozin at gmail.com
Sun Apr 26 06:04:47 EDT 2009

Hello Keir,

Keir Mierle wrote:

> 2. The sparse indefinite solvers that IPOPT requires also don't have a
> suitable license. This may be a larger problem than 1.
> Are there packages the IPOPT team is aware of that would be suitable
> for use in IPOPT but are also liberally licensed? UMFPACK might be
> sufficient, but I am not sufficiently qualified to say. I understand
> that this may require writing an interface, and volunteer to do so.

The MUMPS solver is supported by IpOpt and in the public domain (if used
without Metis).


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