<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hallo once again<br><br>I configure couenne to use cplex as an lp solver as follows.<br><font><font class="fixed_width" face="Courier, Monospaced"><br>$ ../configure --with-cplex-incdir=/home/ehsan/CPLEX/cplex/include/ilcplex --with-cplex-lib="/home/ehsan/CPLEX/cplex/lib/x86_sles10_4.1/static_pic/libcplex.a -lpthread" <br><br>every thing compiles well. also i saved the file couenne.opt with the following line<br><br>lp_solver cplex<br></font></font><br>But when i some a MINLP problem, couenne still give me the following message<br>NOTE: You are using Ipopt by default with the MUMPS linear solver. <br> Other linear solvers might be more efficient (see Ipopt documentation)<br><br>What does this means? Couenne is still using MUMPS as a lp solver? Secondly I am not experiencing any difference in
time.<br>can you please help again<br>Have a nice day<br>Ehsan Ullah<br>
Lehrstuhl für Symbolic Computation<br>
Passau Universität<br>
Germany<br>
Ph# 0049-851-2016296<br>
Mobile: 0049-176-45196854<br>
Email: ehsanmath@yahoo.com</td></tr></table>