[Ipopt] Where or how can I obtain the libhsl.dll?

[Olaf Schenk]

Hi,
> There is a small benchmark of Ipopt with MA27 vs Ipopt with MUMPS at
> http://www.coin-or.org/GAMSlinks/benchmarks/NLP/ipopt_091120/index.html
> (of course, one benchmark is never the last word on the subject)
>
>   
Some results of Ipopt with MA57 vs Ipopt with PARDISO has been published in
 
O. Schenk, A. Wächter, and M. Hagemann, Matching-based Preprocessing 
Algorithms to the Solution of Saddle-Point Problems in Large-Scale 
Nonconvex Interior-Point Optimization. Journal of Computational 
Optimization and Applications, pp. 321-341, Volume 36, Numbers 2-3 / 
April, 2007

Olaf


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