[Ipopt] a problem about formula formulation

ranranli at egr.msu.edu ranranli at egr.msu.edu
Mon Jan 19 20:28:01 EST 2009

I am using ipopt and ampl to solve a nonlinear optimization problem.
When the object function including some complex formulas such as integral
and sin function, how could I write them in a mod file which is used in an
ampl environment?

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