<div dir="ltr"><div><div><div>Hi Everyone,<br><br></div>This is a question regarding the C++ interface, specifically how to use the class IpoptCalculatedQuantities. I am trying to get the Ipopt calculated Hessian at the optimal point so that I can use it downstream for some further analysis.<br><br></div>I got as far as <br>ip_cq->curr_exact_hessian();<br></div><div> <br>where ip_cq is a pointer to<br>Ipopt::IpoptCalculatedQuantities<br><br></div><div>but how do I get the values out of the matrix?<br></div><div><div><div><div><br></div><div>Thank you.<br></div><div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Panos Lambrianides<div><a target="_blank" href="mailto:panos@soe.ucsc.edu">panos@soe.ucsc.edu</a></div><div>(415) 713-6718 (Mobile)<br></div><div><a target="_blank" href="https://sites.google.com/a/ucsc.edu/uncertainty-quantification/">https://sites.google.com/a/ucsc.edu/uncertainty-quantification/</a><br></div><div><br></div><div><br></div></div></div></div></div>
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