[Ipopt] Sharpening tolerances

Paul Smith phhs80 at gmail.com
Thu Jan 27 18:11:44 EST 2011

Dear All,

I am using Ipopt with AMPL. It works fine, but in a specific problem,
I get an optimal value for the objective function of


when the solution, theoretically, is zero.

Is there some way of instruct Ipopt to search further to get a value
closer to zero?

Thanks in advance,


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