[Ipopt] continously run IPOPT,but different results

cat fa boost.subscribing at gmail.com
Wed Apr 17 09:46:15 EDT 2013

        I used IPOPT to solve a NLP problem in Opti Toolbox. I found
that even I ran the same problem, results were always different,
although slightly . "different" meant that the optimal objective the
corresponding decision variables were different between each run.
Total iteration of each run varied.  I was sure there were no
stochastic parameters in my problem.
       I wonder if IPOPT implements any stochastic techniques?

Felix Du
Guangxi Univercity, China

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