Hello, if anyone is interested I implemented the LuksanVlcek1 example using the sparsity patterns provided by jac_pat() and hess_pat(), passing only the non zeros to IPOPT:<br><a href="http://lobianco.org/temp/LuksanVlcek1_multiple_autopattern">http://lobianco.org/temp/LuksanVlcek1_multiple_autopattern</a><br>
<br>/Antonello<br><br><br><br><div class="gmail_quote">2012/8/16 Andrea Walther <span dir="ltr"><<a href="mailto:andrea.walther@uni-paderborn.de" target="_blank">andrea.walther@uni-paderborn.de</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im"><br>
> So I can still compute the dense Jacobian and the dense Hessian but then<br>
> pass to IPOPT only the non-zero elements that I get from jac_pat() and<br>
> hess_pat()..<br>
<br>
</div>yes, this should work<br>
<div class="HOEnZb"><div class="h5"><br>
Andrea<br>
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--<br>
Prof. Dr. Andrea Walther<br>
Lehrstuhl fuer Mathematik und ihre Anwendungen<br>
Institut fuer Mathematik<br>
Universitaet Paderborn<br>
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Email: <a href="mailto:andrea.walther@uni-paderborn.de">andrea.walther@uni-paderborn.de</a><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>Antonello Lobianco<br>INRA, Laboratoire d'Economie Forestière<br>14 Rue Girardet - 54000 Nancy, France<br>Tel: +33.652392310<br>Email: <a href="mailto:antonello.lobianco@nancy-engref.inra.fr" target="_blank">antonello.lobianco@nancy-engref.inra.fr</a><br>
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